Home / 8,899.52-12,282.08-4,921.43

Finding the Fourth Proportional to 8,899.52, 12,282.08 and 4,921.43

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Solution

The fourth proportional to 8,899.52, 12,282.08 and 4,921.43 is: 6,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.52 : 12,282.08 = 4,921.43 : x
  2. Step 2: Convert to fraction form
    8,899.52/12,282.08 = 4,921.43/x
  3. Step 3: Cross multiply
    8,899.52x = 12,282.08 × 4,921.43
  4. Step 4: Simplify right side
    8,899.52x = 60,445,310.96
  5. Step 5: Solve for x
    x = 60,445,310.96/8,899.52
  6. Step 6: Final answer
    x = 6,791.98

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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.