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Finding the Fourth Proportional to 5,341.57, 7,372.14 and 3,351.40

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Solution

The fourth proportional to 5,341.57, 7,372.14 and 3,351.40 is: 4,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.57 : 7,372.14 = 3,351.40 : x
  2. Step 2: Convert to fraction form
    5,341.57/7,372.14 = 3,351.40/x
  3. Step 3: Cross multiply
    5,341.57x = 7,372.14 × 3,351.40
  4. Step 4: Simplify right side
    5,341.57x = 24,706,990.00
  5. Step 5: Solve for x
    x = 24,706,990.00/5,341.57
  6. Step 6: Final answer
    x = 4,625.42

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1.5x scale

Why These Related Problems?

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