Home / 9,821.28-14,732.88-2,897.76

Finding the Fourth Proportional to 9,821.28, 14,732.88 and 2,897.76

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Solution

The fourth proportional to 9,821.28, 14,732.88 and 2,897.76 is: 4,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.28 : 14,732.88 = 2,897.76 : x
  2. Step 2: Convert to fraction form
    9,821.28/14,732.88 = 2,897.76/x
  3. Step 3: Cross multiply
    9,821.28x = 14,732.88 × 2,897.76
  4. Step 4: Simplify right side
    9,821.28x = 42,692,350.35
  5. Step 5: Solve for x
    x = 42,692,350.35/9,821.28
  6. Step 6: Final answer
    x = 4,346.92

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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.