Home / 4,387.20-6,577.92-3,926.40

Finding the Fourth Proportional to 4,387.20, 6,577.92 and 3,926.40

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Solution

The fourth proportional to 4,387.20, 6,577.92 and 3,926.40 is: 5,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.20 : 6,577.92 = 3,926.40 : x
  2. Step 2: Convert to fraction form
    4,387.20/6,577.92 = 3,926.40/x
  3. Step 3: Cross multiply
    4,387.20x = 6,577.92 × 3,926.40
  4. Step 4: Simplify right side
    4,387.20x = 25,827,545.09
  5. Step 5: Solve for x
    x = 25,827,545.09/4,387.20
  6. Step 6: Final answer
    x = 5,887.02

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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.