Home / 7,422.52-11,140.26-3,962.20

Finding the Fourth Proportional to 7,422.52, 11,140.26 and 3,962.20

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Solution

The fourth proportional to 7,422.52, 11,140.26 and 3,962.20 is: 5,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.52 : 11,140.26 = 3,962.20 : x
  2. Step 2: Convert to fraction form
    7,422.52/11,140.26 = 3,962.20/x
  3. Step 3: Cross multiply
    7,422.52x = 11,140.26 × 3,962.20
  4. Step 4: Simplify right side
    7,422.52x = 44,139,938.17
  5. Step 5: Solve for x
    x = 44,139,938.17/7,422.52
  6. Step 6: Final answer
    x = 5,946.76

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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.