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Finding the Fourth Proportional to 8,778, 13,160.04 and 4,393.08

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Solution

The fourth proportional to 8,778, 13,160.04 and 4,393.08 is: 6,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778 : 13,160.04 = 4,393.08 : x
  2. Step 2: Convert to fraction form
    8,778/13,160.04 = 4,393.08/x
  3. Step 3: Cross multiply
    8,778x = 13,160.04 × 4,393.08
  4. Step 4: Simplify right side
    8,778x = 57,813,108.52
  5. Step 5: Solve for x
    x = 57,813,108.52/8,778
  6. Step 6: Final answer
    x = 6,586.14

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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.