Home / 6,387.32-8,818.55-4,374.11

Finding the Fourth Proportional to 6,387.32, 8,818.55 and 4,374.11

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Solution

The fourth proportional to 6,387.32, 8,818.55 and 4,374.11 is: 6,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.32 : 8,818.55 = 4,374.11 : x
  2. Step 2: Convert to fraction form
    6,387.32/8,818.55 = 4,374.11/x
  3. Step 3: Cross multiply
    6,387.32x = 8,818.55 × 4,374.11
  4. Step 4: Simplify right side
    6,387.32x = 38,573,241.78
  5. Step 5: Solve for x
    x = 38,573,241.78/6,387.32
  6. Step 6: Final answer
    x = 6,039.04

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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.