Home / 7,841.28-10,821.84-4,484.52

Finding the Fourth Proportional to 7,841.28, 10,821.84 and 4,484.52

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Solution

The fourth proportional to 7,841.28, 10,821.84 and 4,484.52 is: 6,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.28 : 10,821.84 = 4,484.52 : x
  2. Step 2: Convert to fraction form
    7,841.28/10,821.84 = 4,484.52/x
  3. Step 3: Cross multiply
    7,841.28x = 10,821.84 × 4,484.52
  4. Step 4: Simplify right side
    7,841.28x = 48,530,757.92
  5. Step 5: Solve for x
    x = 48,530,757.92/7,841.28
  6. Step 6: Final answer
    x = 6,189.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.