Home / 5,359.52-8,041.44-2,439.20

Finding the Fourth Proportional to 5,359.52, 8,041.44 and 2,439.20

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Solution

The fourth proportional to 5,359.52, 8,041.44 and 2,439.20 is: 3,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.52 : 8,041.44 = 2,439.20 : x
  2. Step 2: Convert to fraction form
    5,359.52/8,041.44 = 2,439.20/x
  3. Step 3: Cross multiply
    5,359.52x = 8,041.44 × 2,439.20
  4. Step 4: Simplify right side
    5,359.52x = 19,614,640.24
  5. Step 5: Solve for x
    x = 19,614,640.24/5,359.52
  6. Step 6: Final answer
    x = 3,659.78

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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.