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Finding the Fourth Proportional to 5,526.55, 8,290.10 and 1,829.17

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Solution

The fourth proportional to 5,526.55, 8,290.10 and 1,829.17 is: 2,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.55 : 8,290.10 = 1,829.17 : x
  2. Step 2: Convert to fraction form
    5,526.55/8,290.10 = 1,829.17/x
  3. Step 3: Cross multiply
    5,526.55x = 8,290.10 × 1,829.17
  4. Step 4: Simplify right side
    5,526.55x = 15,164,002.22
  5. Step 5: Solve for x
    x = 15,164,002.22/5,526.55
  6. Step 6: Final answer
    x = 2,743.85

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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.