Home / 8,782.20-13,176.54-4,562.78

Finding the Fourth Proportional to 8,782.20, 13,176.54 and 4,562.78

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Solution

The fourth proportional to 8,782.20, 13,176.54 and 4,562.78 is: 6,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.20 : 13,176.54 = 4,562.78 : x
  2. Step 2: Convert to fraction form
    8,782.20/13,176.54 = 4,562.78/x
  3. Step 3: Cross multiply
    8,782.20x = 13,176.54 × 4,562.78
  4. Step 4: Simplify right side
    8,782.20x = 60,121,587.30
  5. Step 5: Solve for x
    x = 60,121,587.30/8,782.20
  6. Step 6: Final answer
    x = 6,845.85

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1.5x scale

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.