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Finding the Fourth Proportional to 5,687.84, 8,532.52 and 1,527.96

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Solution

The fourth proportional to 5,687.84, 8,532.52 and 1,527.96 is: 2,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.84 : 8,532.52 = 1,527.96 : x
  2. Step 2: Convert to fraction form
    5,687.84/8,532.52 = 1,527.96/x
  3. Step 3: Cross multiply
    5,687.84x = 8,532.52 × 1,527.96
  4. Step 4: Simplify right side
    5,687.84x = 13,037,349.26
  5. Step 5: Solve for x
    x = 13,037,349.26/5,687.84
  6. Step 6: Final answer
    x = 2,292.14

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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.