Home / 8,983.09-12,397.05-5,004.21

Finding the Fourth Proportional to 8,983.09, 12,397.05 and 5,004.21

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Solution

The fourth proportional to 8,983.09, 12,397.05 and 5,004.21 is: 6,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.09 : 12,397.05 = 5,004.21 : x
  2. Step 2: Convert to fraction form
    8,983.09/12,397.05 = 5,004.21/x
  3. Step 3: Cross multiply
    8,983.09x = 12,397.05 × 5,004.21
  4. Step 4: Simplify right side
    8,983.09x = 62,037,379.60
  5. Step 5: Solve for x
    x = 62,037,379.60/8,983.09
  6. Step 6: Final answer
    x = 6,906.02

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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.