Home / 8,966.43-12,379.77-5,610.60

Finding the Fourth Proportional to 8,966.43, 12,379.77 and 5,610.60

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Solution

The fourth proportional to 8,966.43, 12,379.77 and 5,610.60 is: 7,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.43 : 12,379.77 = 5,610.60 : x
  2. Step 2: Convert to fraction form
    8,966.43/12,379.77 = 5,610.60/x
  3. Step 3: Cross multiply
    8,966.43x = 12,379.77 × 5,610.60
  4. Step 4: Simplify right side
    8,966.43x = 69,457,937.56
  5. Step 5: Solve for x
    x = 69,457,937.56/8,966.43
  6. Step 6: Final answer
    x = 7,746.44

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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.