Home / 5,526.38-8,278.47-2,744.64

Finding the Fourth Proportional to 5,526.38, 8,278.47 and 2,744.64

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Solution

The fourth proportional to 5,526.38, 8,278.47 and 2,744.64 is: 4,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.38 : 8,278.47 = 2,744.64 : x
  2. Step 2: Convert to fraction form
    5,526.38/8,278.47 = 2,744.64/x
  3. Step 3: Cross multiply
    5,526.38x = 8,278.47 × 2,744.64
  4. Step 4: Simplify right side
    5,526.38x = 22,721,419.90
  5. Step 5: Solve for x
    x = 22,721,419.90/5,526.38
  6. Step 6: Final answer
    x = 4,111.45

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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.