Home / 8,256.48-12,385.92-4,359.84

Finding the Fourth Proportional to 8,256.48, 12,385.92 and 4,359.84

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Solution

The fourth proportional to 8,256.48, 12,385.92 and 4,359.84 is: 6,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.48 : 12,385.92 = 4,359.84 : x
  2. Step 2: Convert to fraction form
    8,256.48/12,385.92 = 4,359.84/x
  3. Step 3: Cross multiply
    8,256.48x = 12,385.92 × 4,359.84
  4. Step 4: Simplify right side
    8,256.48x = 54,000,629.45
  5. Step 5: Solve for x
    x = 54,000,629.45/8,256.48
  6. Step 6: Final answer
    x = 6,540.39

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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.