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Finding the Fourth Proportional to 5,688.52, 8,532.80 and 1,584.52

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Solution

The fourth proportional to 5,688.52, 8,532.80 and 1,584.52 is: 2,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.52 : 8,532.80 = 1,584.52 : x
  2. Step 2: Convert to fraction form
    5,688.52/8,532.80 = 1,584.52/x
  3. Step 3: Cross multiply
    5,688.52x = 8,532.80 × 1,584.52
  4. Step 4: Simplify right side
    5,688.52x = 13,520,392.26
  5. Step 5: Solve for x
    x = 13,520,392.26/5,688.52
  6. Step 6: Final answer
    x = 2,376.79

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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.