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Finding the Fourth Proportional to 8,798.92, 13,177.54 and 7,638.36

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Solution

The fourth proportional to 8,798.92, 13,177.54 and 7,638.36 is: 11,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.92 : 13,177.54 = 7,638.36 : x
  2. Step 2: Convert to fraction form
    8,798.92/13,177.54 = 7,638.36/x
  3. Step 3: Cross multiply
    8,798.92x = 13,177.54 × 7,638.36
  4. Step 4: Simplify right side
    8,798.92x = 100,654,794.43
  5. Step 5: Solve for x
    x = 100,654,794.43/8,798.92
  6. Step 6: Final answer
    x = 11,439.45

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1.5x scale

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.