Home / 5,402.48-8,101.16-2,479.92

Finding the Fourth Proportional to 5,402.48, 8,101.16 and 2,479.92

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Solution

The fourth proportional to 5,402.48, 8,101.16 and 2,479.92 is: 3,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.48 : 8,101.16 = 2,479.92 : x
  2. Step 2: Convert to fraction form
    5,402.48/8,101.16 = 2,479.92/x
  3. Step 3: Cross multiply
    5,402.48x = 8,101.16 × 2,479.92
  4. Step 4: Simplify right side
    5,402.48x = 20,090,228.71
  5. Step 5: Solve for x
    x = 20,090,228.71/5,402.48
  6. Step 6: Final answer
    x = 3,718.70

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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.