Home / 6,261.80-9,385.92-4,072.10

Finding the Fourth Proportional to 6,261.80, 9,385.92 and 4,072.10

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Solution

The fourth proportional to 6,261.80, 9,385.92 and 4,072.10 is: 6,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.80 : 9,385.92 = 4,072.10 : x
  2. Step 2: Convert to fraction form
    6,261.80/9,385.92 = 4,072.10/x
  3. Step 3: Cross multiply
    6,261.80x = 9,385.92 × 4,072.10
  4. Step 4: Simplify right side
    6,261.80x = 38,220,404.83
  5. Step 5: Solve for x
    x = 38,220,404.83/6,261.80
  6. Step 6: Final answer
    x = 6,103.74

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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.