Home / 8,983.47-12,397.32-5,206.90

Finding the Fourth Proportional to 8,983.47, 12,397.32 and 5,206.90

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Solution

The fourth proportional to 8,983.47, 12,397.32 and 5,206.90 is: 7,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.47 : 12,397.32 = 5,206.90 : x
  2. Step 2: Convert to fraction form
    8,983.47/12,397.32 = 5,206.90/x
  3. Step 3: Cross multiply
    8,983.47x = 12,397.32 × 5,206.90
  4. Step 4: Simplify right side
    8,983.47x = 64,551,561.50
  5. Step 5: Solve for x
    x = 64,551,561.50/8,983.47
  6. Step 6: Final answer
    x = 7,185.60

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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.