Home / 7,150.96-10,726.45-2,988.69

Finding the Fourth Proportional to 7,150.96, 10,726.45 and 2,988.69

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Solution

The fourth proportional to 7,150.96, 10,726.45 and 2,988.69 is: 4,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.96 : 10,726.45 = 2,988.69 : x
  2. Step 2: Convert to fraction form
    7,150.96/10,726.45 = 2,988.69/x
  3. Step 3: Cross multiply
    7,150.96x = 10,726.45 × 2,988.69
  4. Step 4: Simplify right side
    7,150.96x = 32,058,033.85
  5. Step 5: Solve for x
    x = 32,058,033.85/7,150.96
  6. Step 6: Final answer
    x = 4,483.04

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Similar ratio
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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.