Home / 9,077.40-13,616.10-4,915.08

Finding the Fourth Proportional to 9,077.40, 13,616.10 and 4,915.08

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Solution

The fourth proportional to 9,077.40, 13,616.10 and 4,915.08 is: 7,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.40 : 13,616.10 = 4,915.08 : x
  2. Step 2: Convert to fraction form
    9,077.40/13,616.10 = 4,915.08/x
  3. Step 3: Cross multiply
    9,077.40x = 13,616.10 × 4,915.08
  4. Step 4: Simplify right side
    9,077.40x = 66,924,220.79
  5. Step 5: Solve for x
    x = 66,924,220.79/9,077.40
  6. Step 6: Final answer
    x = 7,372.62

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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.