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Finding the Fourth Proportional to 5,368.18, 8,052 and 1,472.59

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Solution

The fourth proportional to 5,368.18, 8,052 and 1,472.59 is: 2,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.18 : 8,052 = 1,472.59 : x
  2. Step 2: Convert to fraction form
    5,368.18/8,052 = 1,472.59/x
  3. Step 3: Cross multiply
    5,368.18x = 8,052 × 1,472.59
  4. Step 4: Simplify right side
    5,368.18x = 11,857,294.68
  5. Step 5: Solve for x
    x = 11,857,294.68/5,368.18
  6. Step 6: Final answer
    x = 2,208.81

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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.