Home / 7,913.91-10,971.15-7,492.57

Finding the Fourth Proportional to 7,913.91, 10,971.15 and 7,492.57

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Solution

The fourth proportional to 7,913.91, 10,971.15 and 7,492.57 is: 10,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.91 : 10,971.15 = 7,492.57 : x
  2. Step 2: Convert to fraction form
    7,913.91/10,971.15 = 7,492.57/x
  3. Step 3: Cross multiply
    7,913.91x = 10,971.15 × 7,492.57
  4. Step 4: Simplify right side
    7,913.91x = 82,202,115.54
  5. Step 5: Solve for x
    x = 82,202,115.54/7,913.91
  6. Step 6: Final answer
    x = 10,387.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.