Home / 4,118.80-6,167.40-3,017.20

Finding the Fourth Proportional to 4,118.80, 6,167.40 and 3,017.20

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Solution

The fourth proportional to 4,118.80, 6,167.40 and 3,017.20 is: 4,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.80 : 6,167.40 = 3,017.20 : x
  2. Step 2: Convert to fraction form
    4,118.80/6,167.40 = 3,017.20/x
  3. Step 3: Cross multiply
    4,118.80x = 6,167.40 × 3,017.20
  4. Step 4: Simplify right side
    4,118.80x = 18,608,279.28
  5. Step 5: Solve for x
    x = 18,608,279.28/4,118.80
  6. Step 6: Final answer
    x = 4,517.89

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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.