Home / 5,520.71-7,615.90-3,281.00

Finding the Fourth Proportional to 5,520.71, 7,615.90 and 3,281.00

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Solution

The fourth proportional to 5,520.71, 7,615.90 and 3,281.00 is: 4,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.71 : 7,615.90 = 3,281.00 : x
  2. Step 2: Convert to fraction form
    5,520.71/7,615.90 = 3,281.00/x
  3. Step 3: Cross multiply
    5,520.71x = 7,615.90 × 3,281.00
  4. Step 4: Simplify right side
    5,520.71x = 24,987,778.74
  5. Step 5: Solve for x
    x = 24,987,778.74/5,520.71
  6. Step 6: Final answer
    x = 4,526.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.