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Finding the Fourth Proportional to 5,394.64, 7,436.96 and 5,320.66

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Solution

The fourth proportional to 5,394.64, 7,436.96 and 5,320.66 is: 7,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.64 : 7,436.96 = 5,320.66 : x
  2. Step 2: Convert to fraction form
    5,394.64/7,436.96 = 5,320.66/x
  3. Step 3: Cross multiply
    5,394.64x = 7,436.96 × 5,320.66
  4. Step 4: Simplify right side
    5,394.64x = 39,569,535.59
  5. Step 5: Solve for x
    x = 39,569,535.59/5,394.64
  6. Step 6: Final answer
    x = 7,334.97

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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.