Home / 8,633.07-12,951.68-5,126.13

Finding the Fourth Proportional to 8,633.07, 12,951.68 and 5,126.13

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Solution

The fourth proportional to 8,633.07, 12,951.68 and 5,126.13 is: 7,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.07 : 12,951.68 = 5,126.13 : x
  2. Step 2: Convert to fraction form
    8,633.07/12,951.68 = 5,126.13/x
  3. Step 3: Cross multiply
    8,633.07x = 12,951.68 × 5,126.13
  4. Step 4: Simplify right side
    8,633.07x = 66,391,995.40
  5. Step 5: Solve for x
    x = 66,391,995.40/8,633.07
  6. Step 6: Final answer
    x = 7,690.43

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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.