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Finding the Fourth Proportional to 8,447.52, 12,666.96 and 4,501.00

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Solution

The fourth proportional to 8,447.52, 12,666.96 and 4,501.00 is: 6,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.52 : 12,666.96 = 4,501.00 : x
  2. Step 2: Convert to fraction form
    8,447.52/12,666.96 = 4,501.00/x
  3. Step 3: Cross multiply
    8,447.52x = 12,666.96 × 4,501.00
  4. Step 4: Simplify right side
    8,447.52x = 57,013,901.12
  5. Step 5: Solve for x
    x = 57,013,901.12/8,447.52
  6. Step 6: Final answer
    x = 6,749.19

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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.