Home / 4,387.92-6,587.94-2,739.60

Finding the Fourth Proportional to 4,387.92, 6,587.94 and 2,739.60

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Solution

The fourth proportional to 4,387.92, 6,587.94 and 2,739.60 is: 4,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.92 : 6,587.94 = 2,739.60 : x
  2. Step 2: Convert to fraction form
    4,387.92/6,587.94 = 2,739.60/x
  3. Step 3: Cross multiply
    4,387.92x = 6,587.94 × 2,739.60
  4. Step 4: Simplify right side
    4,387.92x = 18,048,320.42
  5. Step 5: Solve for x
    x = 18,048,320.42/4,387.92
  6. Step 6: Final answer
    x = 4,113.18

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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.