Home / 7,943.72-11,915.62-2,397.04

Finding the Fourth Proportional to 7,943.72, 11,915.62 and 2,397.04

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Solution

The fourth proportional to 7,943.72, 11,915.62 and 2,397.04 is: 3,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.72 : 11,915.62 = 2,397.04 : x
  2. Step 2: Convert to fraction form
    7,943.72/11,915.62 = 2,397.04/x
  3. Step 3: Cross multiply
    7,943.72x = 11,915.62 × 2,397.04
  4. Step 4: Simplify right side
    7,943.72x = 28,562,181.98
  5. Step 5: Solve for x
    x = 28,562,181.98/7,943.72
  6. Step 6: Final answer
    x = 3,595.57

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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.