Home / 4,887.95-7,331.94-1,190.19

Finding the Fourth Proportional to 4,887.95, 7,331.94 and 1,190.19

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Solution

The fourth proportional to 4,887.95, 7,331.94 and 1,190.19 is: 1,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.95 : 7,331.94 = 1,190.19 : x
  2. Step 2: Convert to fraction form
    4,887.95/7,331.94 = 1,190.19/x
  3. Step 3: Cross multiply
    4,887.95x = 7,331.94 × 1,190.19
  4. Step 4: Simplify right side
    4,887.95x = 8,726,401.67
  5. Step 5: Solve for x
    x = 8,726,401.67/4,887.95
  6. Step 6: Final answer
    x = 1,785.29

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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.