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Finding the Fourth Proportional to 5,363.28, 7,402.19 and 3,126.47

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Solution

The fourth proportional to 5,363.28, 7,402.19 and 3,126.47 is: 4,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.28 : 7,402.19 = 3,126.47 : x
  2. Step 2: Convert to fraction form
    5,363.28/7,402.19 = 3,126.47/x
  3. Step 3: Cross multiply
    5,363.28x = 7,402.19 × 3,126.47
  4. Step 4: Simplify right side
    5,363.28x = 23,142,672.33
  5. Step 5: Solve for x
    x = 23,142,672.33/5,363.28
  6. Step 6: Final answer
    x = 4,315.02

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