Home / 8,519.04-12,764.25-6,428.52

Finding the Fourth Proportional to 8,519.04, 12,764.25 and 6,428.52

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Solution

The fourth proportional to 8,519.04, 12,764.25 and 6,428.52 is: 9,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.04 : 12,764.25 = 6,428.52 : x
  2. Step 2: Convert to fraction form
    8,519.04/12,764.25 = 6,428.52/x
  3. Step 3: Cross multiply
    8,519.04x = 12,764.25 × 6,428.52
  4. Step 4: Simplify right side
    8,519.04x = 82,055,236.41
  5. Step 5: Solve for x
    x = 82,055,236.41/8,519.04
  6. Step 6: Final answer
    x = 9,631.98

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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.