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Finding the Fourth Proportional to 8,710.06, 13,065 and 2,136.28

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Solution

The fourth proportional to 8,710.06, 13,065 and 2,136.28 is: 3,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.06 : 13,065 = 2,136.28 : x
  2. Step 2: Convert to fraction form
    8,710.06/13,065 = 2,136.28/x
  3. Step 3: Cross multiply
    8,710.06x = 13,065 × 2,136.28
  4. Step 4: Simplify right side
    8,710.06x = 27,910,498.20
  5. Step 5: Solve for x
    x = 27,910,498.20/8,710.06
  6. Step 6: Final answer
    x = 3,204.40

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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.