Home / 5,580.28-8,370.42-2,291.06

Finding the Fourth Proportional to 5,580.28, 8,370.42 and 2,291.06

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Solution

The fourth proportional to 5,580.28, 8,370.42 and 2,291.06 is: 3,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.28 : 8,370.42 = 2,291.06 : x
  2. Step 2: Convert to fraction form
    5,580.28/8,370.42 = 2,291.06/x
  3. Step 3: Cross multiply
    5,580.28x = 8,370.42 × 2,291.06
  4. Step 4: Simplify right side
    5,580.28x = 19,177,134.45
  5. Step 5: Solve for x
    x = 19,177,134.45/5,580.28
  6. Step 6: Final answer
    x = 3,436.59

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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.