Home / 8,627.34-12,930.18-3,691.17

Finding the Fourth Proportional to 8,627.34, 12,930.18 and 3,691.17

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Solution

The fourth proportional to 8,627.34, 12,930.18 and 3,691.17 is: 5,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.34 : 12,930.18 = 3,691.17 : x
  2. Step 2: Convert to fraction form
    8,627.34/12,930.18 = 3,691.17/x
  3. Step 3: Cross multiply
    8,627.34x = 12,930.18 × 3,691.17
  4. Step 4: Simplify right side
    8,627.34x = 47,727,492.51
  5. Step 5: Solve for x
    x = 47,727,492.51/8,627.34
  6. Step 6: Final answer
    x = 5,532.12

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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.