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Finding the Fourth Proportional to 5,985.52, 8,979.72 and 1,881.52

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Solution

The fourth proportional to 5,985.52, 8,979.72 and 1,881.52 is: 2,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.52 : 8,979.72 = 1,881.52 : x
  2. Step 2: Convert to fraction form
    5,985.52/8,979.72 = 1,881.52/x
  3. Step 3: Cross multiply
    5,985.52x = 8,979.72 × 1,881.52
  4. Step 4: Simplify right side
    5,985.52x = 16,895,522.77
  5. Step 5: Solve for x
    x = 16,895,522.77/5,985.52
  6. Step 6: Final answer
    x = 2,822.73

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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.