Home / 6,913.70-10,381.35-3,997.70

Finding the Fourth Proportional to 6,913.70, 10,381.35 and 3,997.70

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Solution

The fourth proportional to 6,913.70, 10,381.35 and 3,997.70 is: 6,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.70 : 10,381.35 = 3,997.70 : x
  2. Step 2: Convert to fraction form
    6,913.70/10,381.35 = 3,997.70/x
  3. Step 3: Cross multiply
    6,913.70x = 10,381.35 × 3,997.70
  4. Step 4: Simplify right side
    6,913.70x = 41,501,522.90
  5. Step 5: Solve for x
    x = 41,501,522.90/6,913.70
  6. Step 6: Final answer
    x = 6,002.79

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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.