Home / 5,581.32-8,365.66-2,290.20

Finding the Fourth Proportional to 5,581.32, 8,365.66 and 2,290.20

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Solution

The fourth proportional to 5,581.32, 8,365.66 and 2,290.20 is: 3,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.32 : 8,365.66 = 2,290.20 : x
  2. Step 2: Convert to fraction form
    5,581.32/8,365.66 = 2,290.20/x
  3. Step 3: Cross multiply
    5,581.32x = 8,365.66 × 2,290.20
  4. Step 4: Simplify right side
    5,581.32x = 19,159,034.53
  5. Step 5: Solve for x
    x = 19,159,034.53/5,581.32
  6. Step 6: Final answer
    x = 3,432.71

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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.