Home / 6,077.25-8,385.68-3,424.61

Finding the Fourth Proportional to 6,077.25, 8,385.68 and 3,424.61

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Solution

The fourth proportional to 6,077.25, 8,385.68 and 3,424.61 is: 4,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.25 : 8,385.68 = 3,424.61 : x
  2. Step 2: Convert to fraction form
    6,077.25/8,385.68 = 3,424.61/x
  3. Step 3: Cross multiply
    6,077.25x = 8,385.68 × 3,424.61
  4. Step 4: Simplify right side
    6,077.25x = 28,717,713.11
  5. Step 5: Solve for x
    x = 28,717,713.11/6,077.25
  6. Step 6: Final answer
    x = 4,725.45

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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.