Home / 8,669.28-11,963.76-4,893.20

Finding the Fourth Proportional to 8,669.28, 11,963.76 and 4,893.20

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Solution

The fourth proportional to 8,669.28, 11,963.76 and 4,893.20 is: 6,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.28 : 11,963.76 = 4,893.20 : x
  2. Step 2: Convert to fraction form
    8,669.28/11,963.76 = 4,893.20/x
  3. Step 3: Cross multiply
    8,669.28x = 11,963.76 × 4,893.20
  4. Step 4: Simplify right side
    8,669.28x = 58,541,070.43
  5. Step 5: Solve for x
    x = 58,541,070.43/8,669.28
  6. Step 6: Final answer
    x = 6,752.70

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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.