Home / 8,983.65-12,397.57-5,207.08

Finding the Fourth Proportional to 8,983.65, 12,397.57 and 5,207.08

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Solution

The fourth proportional to 8,983.65, 12,397.57 and 5,207.08 is: 7,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.65 : 12,397.57 = 5,207.08 : x
  2. Step 2: Convert to fraction form
    8,983.65/12,397.57 = 5,207.08/x
  3. Step 3: Cross multiply
    8,983.65x = 12,397.57 × 5,207.08
  4. Step 4: Simplify right side
    8,983.65x = 64,555,138.80
  5. Step 5: Solve for x
    x = 64,555,138.80/8,983.65
  6. Step 6: Final answer
    x = 7,185.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.