Home / 4,188.72-6,278.92-2,340.64

Finding the Fourth Proportional to 4,188.72, 6,278.92 and 2,340.64

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Solution

The fourth proportional to 4,188.72, 6,278.92 and 2,340.64 is: 3,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.72 : 6,278.92 = 2,340.64 : x
  2. Step 2: Convert to fraction form
    4,188.72/6,278.92 = 2,340.64/x
  3. Step 3: Cross multiply
    4,188.72x = 6,278.92 × 2,340.64
  4. Step 4: Simplify right side
    4,188.72x = 14,696,691.31
  5. Step 5: Solve for x
    x = 14,696,691.31/4,188.72
  6. Step 6: Final answer
    x = 3,508.64

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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.