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Finding the Fourth Proportional to 4,887.98, 7,331.93 and 1,766.81

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Solution

The fourth proportional to 4,887.98, 7,331.93 and 1,766.81 is: 2,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.98 : 7,331.93 = 1,766.81 : x
  2. Step 2: Convert to fraction form
    4,887.98/7,331.93 = 1,766.81/x
  3. Step 3: Cross multiply
    4,887.98x = 7,331.93 × 1,766.81
  4. Step 4: Simplify right side
    4,887.98x = 12,954,127.24
  5. Step 5: Solve for x
    x = 12,954,127.24/4,887.98
  6. Step 6: Final answer
    x = 2,650.20

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.