Home / 8,517.24-12,779.48-3,587.96

Finding the Fourth Proportional to 8,517.24, 12,779.48 and 3,587.96

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Solution

The fourth proportional to 8,517.24, 12,779.48 and 3,587.96 is: 5,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.24 : 12,779.48 = 3,587.96 : x
  2. Step 2: Convert to fraction form
    8,517.24/12,779.48 = 3,587.96/x
  3. Step 3: Cross multiply
    8,517.24x = 12,779.48 × 3,587.96
  4. Step 4: Simplify right side
    8,517.24x = 45,852,263.06
  5. Step 5: Solve for x
    x = 45,852,263.06/8,517.24
  6. Step 6: Final answer
    x = 5,383.46

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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.