Home / 6,043.38-8,340.48-3,390.78

Finding the Fourth Proportional to 6,043.38, 8,340.48 and 3,390.78

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Solution

The fourth proportional to 6,043.38, 8,340.48 and 3,390.78 is: 4,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,043.38 : 8,340.48 = 3,390.78 : x
  2. Step 2: Convert to fraction form
    6,043.38/8,340.48 = 3,390.78/x
  3. Step 3: Cross multiply
    6,043.38x = 8,340.48 × 3,390.78
  4. Step 4: Simplify right side
    6,043.38x = 28,280,732.77
  5. Step 5: Solve for x
    x = 28,280,732.77/6,043.38
  6. Step 6: Final answer
    x = 4,679.62

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Half scale
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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.