Home / 5,382.40-7,427.76-3,024.56

Finding the Fourth Proportional to 5,382.40, 7,427.76 and 3,024.56

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Solution

The fourth proportional to 5,382.40, 7,427.76 and 3,024.56 is: 4,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.40 : 7,427.76 = 3,024.56 : x
  2. Step 2: Convert to fraction form
    5,382.40/7,427.76 = 3,024.56/x
  3. Step 3: Cross multiply
    5,382.40x = 7,427.76 × 3,024.56
  4. Step 4: Simplify right side
    5,382.40x = 22,465,705.79
  5. Step 5: Solve for x
    x = 22,465,705.79/5,382.40
  6. Step 6: Final answer
    x = 4,173.92

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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.