Home / 4,771.98-7,157.34-1,998.18

Finding the Fourth Proportional to 4,771.98, 7,157.34 and 1,998.18

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Solution

The fourth proportional to 4,771.98, 7,157.34 and 1,998.18 is: 2,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.98 : 7,157.34 = 1,998.18 : x
  2. Step 2: Convert to fraction form
    4,771.98/7,157.34 = 1,998.18/x
  3. Step 3: Cross multiply
    4,771.98x = 7,157.34 × 1,998.18
  4. Step 4: Simplify right side
    4,771.98x = 14,301,653.64
  5. Step 5: Solve for x
    x = 14,301,653.64/4,771.98
  6. Step 6: Final answer
    x = 2,997.01

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.