Home / 8,753.20-12,079.19-4,774.30

Finding the Fourth Proportional to 8,753.20, 12,079.19 and 4,774.30

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Solution

The fourth proportional to 8,753.20, 12,079.19 and 4,774.30 is: 6,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.20 : 12,079.19 = 4,774.30 : x
  2. Step 2: Convert to fraction form
    8,753.20/12,079.19 = 4,774.30/x
  3. Step 3: Cross multiply
    8,753.20x = 12,079.19 × 4,774.30
  4. Step 4: Simplify right side
    8,753.20x = 57,669,658.55
  5. Step 5: Solve for x
    x = 57,669,658.55/8,753.20
  6. Step 6: Final answer
    x = 6,588.41

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1.5x scale

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.