Home / 8,691.04-13,037.57-3,146.99

Finding the Fourth Proportional to 8,691.04, 13,037.57 and 3,146.99

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Solution

The fourth proportional to 8,691.04, 13,037.57 and 3,146.99 is: 4,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.04 : 13,037.57 = 3,146.99 : x
  2. Step 2: Convert to fraction form
    8,691.04/13,037.57 = 3,146.99/x
  3. Step 3: Cross multiply
    8,691.04x = 13,037.57 × 3,146.99
  4. Step 4: Simplify right side
    8,691.04x = 41,029,119.27
  5. Step 5: Solve for x
    x = 41,029,119.27/8,691.04
  6. Step 6: Final answer
    x = 4,720.85

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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.