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Finding the Fourth Proportional to 8,854, 13,280.08 and 5,557.32

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Solution

The fourth proportional to 8,854, 13,280.08 and 5,557.32 is: 8,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854 : 13,280.08 = 5,557.32 : x
  2. Step 2: Convert to fraction form
    8,854/13,280.08 = 5,557.32/x
  3. Step 3: Cross multiply
    8,854x = 13,280.08 × 5,557.32
  4. Step 4: Simplify right side
    8,854x = 73,801,654.19
  5. Step 5: Solve for x
    x = 73,801,654.19/8,854
  6. Step 6: Final answer
    x = 8,335.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.