Home / 8,877.23-12,251.31-4,899.20

Finding the Fourth Proportional to 8,877.23, 12,251.31 and 4,899.20

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Solution

The fourth proportional to 8,877.23, 12,251.31 and 4,899.20 is: 6,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.23 : 12,251.31 = 4,899.20 : x
  2. Step 2: Convert to fraction form
    8,877.23/12,251.31 = 4,899.20/x
  3. Step 3: Cross multiply
    8,877.23x = 12,251.31 × 4,899.20
  4. Step 4: Simplify right side
    8,877.23x = 60,021,617.95
  5. Step 5: Solve for x
    x = 60,021,617.95/8,877.23
  6. Step 6: Final answer
    x = 6,761.30

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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.