Home / 8,279.04-12,391.29-4,525.10

Finding the Fourth Proportional to 8,279.04, 12,391.29 and 4,525.10

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Solution

The fourth proportional to 8,279.04, 12,391.29 and 4,525.10 is: 6,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.04 : 12,391.29 = 4,525.10 : x
  2. Step 2: Convert to fraction form
    8,279.04/12,391.29 = 4,525.10/x
  3. Step 3: Cross multiply
    8,279.04x = 12,391.29 × 4,525.10
  4. Step 4: Simplify right side
    8,279.04x = 56,071,764.42
  5. Step 5: Solve for x
    x = 56,071,764.42/8,279.04
  6. Step 6: Final answer
    x = 6,772.74

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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.