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Finding the Fourth Proportional to 5,373.40, 8,061.46 and 2,601.40

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Solution

The fourth proportional to 5,373.40, 8,061.46 and 2,601.40 is: 3,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.40 : 8,061.46 = 2,601.40 : x
  2. Step 2: Convert to fraction form
    5,373.40/8,061.46 = 2,601.40/x
  3. Step 3: Cross multiply
    5,373.40x = 8,061.46 × 2,601.40
  4. Step 4: Simplify right side
    5,373.40x = 20,971,082.04
  5. Step 5: Solve for x
    x = 20,971,082.04/5,373.40
  6. Step 6: Final answer
    x = 3,902.76

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1.5x scale

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.