Home / 7,151.52-10,726.56-2,221.32

Finding the Fourth Proportional to 7,151.52, 10,726.56 and 2,221.32

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Solution

The fourth proportional to 7,151.52, 10,726.56 and 2,221.32 is: 3,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.52 : 10,726.56 = 2,221.32 : x
  2. Step 2: Convert to fraction form
    7,151.52/10,726.56 = 2,221.32/x
  3. Step 3: Cross multiply
    7,151.52x = 10,726.56 × 2,221.32
  4. Step 4: Simplify right side
    7,151.52x = 23,827,122.26
  5. Step 5: Solve for x
    x = 23,827,122.26/7,151.52
  6. Step 6: Final answer
    x = 3,331.76

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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.