Home / 7,931.52-11,897.28-2,088.59

Finding the Fourth Proportional to 7,931.52, 11,897.28 and 2,088.59

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Solution

The fourth proportional to 7,931.52, 11,897.28 and 2,088.59 is: 3,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,897.28 = 2,088.59 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,897.28 = 2,088.59/x
  3. Step 3: Cross multiply
    7,931.52x = 11,897.28 × 2,088.59
  4. Step 4: Simplify right side
    7,931.52x = 24,848,480.55
  5. Step 5: Solve for x
    x = 24,848,480.55/7,931.52
  6. Step 6: Final answer
    x = 3,132.88

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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.