Home / 6,337.55-9,508.75-2,638.78

Finding the Fourth Proportional to 6,337.55, 9,508.75 and 2,638.78

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Solution

The fourth proportional to 6,337.55, 9,508.75 and 2,638.78 is: 3,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.55 : 9,508.75 = 2,638.78 : x
  2. Step 2: Convert to fraction form
    6,337.55/9,508.75 = 2,638.78/x
  3. Step 3: Cross multiply
    6,337.55x = 9,508.75 × 2,638.78
  4. Step 4: Simplify right side
    6,337.55x = 25,091,504.61
  5. Step 5: Solve for x
    x = 25,091,504.61/6,337.55
  6. Step 6: Final answer
    x = 3,959.18

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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.