Home / 5,613.24-8,422.02-2,149.68

Finding the Fourth Proportional to 5,613.24, 8,422.02 and 2,149.68

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Solution

The fourth proportional to 5,613.24, 8,422.02 and 2,149.68 is: 3,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.24 : 8,422.02 = 2,149.68 : x
  2. Step 2: Convert to fraction form
    5,613.24/8,422.02 = 2,149.68/x
  3. Step 3: Cross multiply
    5,613.24x = 8,422.02 × 2,149.68
  4. Step 4: Simplify right side
    5,613.24x = 18,104,647.95
  5. Step 5: Solve for x
    x = 18,104,647.95/5,613.24
  6. Step 6: Final answer
    x = 3,225.35

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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.