Home / 7,149.58-10,726.66-2,220.19

Finding the Fourth Proportional to 7,149.58, 10,726.66 and 2,220.19

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Solution

The fourth proportional to 7,149.58, 10,726.66 and 2,220.19 is: 3,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.58 : 10,726.66 = 2,220.19 : x
  2. Step 2: Convert to fraction form
    7,149.58/10,726.66 = 2,220.19/x
  3. Step 3: Cross multiply
    7,149.58x = 10,726.66 × 2,220.19
  4. Step 4: Simplify right side
    7,149.58x = 23,815,212.16
  5. Step 5: Solve for x
    x = 23,815,212.16/7,149.58
  6. Step 6: Final answer
    x = 3,330.99

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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.