Home / 5,581.13-8,365.30-2,290.15

Finding the Fourth Proportional to 5,581.13, 8,365.30 and 2,290.15

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Solution

The fourth proportional to 5,581.13, 8,365.30 and 2,290.15 is: 3,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.13 : 8,365.30 = 2,290.15 : x
  2. Step 2: Convert to fraction form
    5,581.13/8,365.30 = 2,290.15/x
  3. Step 3: Cross multiply
    5,581.13x = 8,365.30 × 2,290.15
  4. Step 4: Simplify right side
    5,581.13x = 19,157,779.44
  5. Step 5: Solve for x
    x = 19,157,779.44/5,581.13
  6. Step 6: Final answer
    x = 3,432.60

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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.