Home / 6,506.20-8,974.89-4,115.43

Finding the Fourth Proportional to 6,506.20, 8,974.89 and 4,115.43

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Solution

The fourth proportional to 6,506.20, 8,974.89 and 4,115.43 is: 5,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.20 : 8,974.89 = 4,115.43 : x
  2. Step 2: Convert to fraction form
    6,506.20/8,974.89 = 4,115.43/x
  3. Step 3: Cross multiply
    6,506.20x = 8,974.89 × 4,115.43
  4. Step 4: Simplify right side
    6,506.20x = 36,935,531.55
  5. Step 5: Solve for x
    x = 36,935,531.55/6,506.20
  6. Step 6: Final answer
    x = 5,676.98

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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.