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Finding the Fourth Proportional to 5,437.31, 7,502.81 and 3,047.40

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Solution

The fourth proportional to 5,437.31, 7,502.81 and 3,047.40 is: 4,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.31 : 7,502.81 = 3,047.40 : x
  2. Step 2: Convert to fraction form
    5,437.31/7,502.81 = 3,047.40/x
  3. Step 3: Cross multiply
    5,437.31x = 7,502.81 × 3,047.40
  4. Step 4: Simplify right side
    5,437.31x = 22,864,047.96
  5. Step 5: Solve for x
    x = 22,864,047.96/5,437.31
  6. Step 6: Final answer
    x = 4,205.03

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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.