Home / 7,381.79-11,073.78-2,637.57

Finding the Fourth Proportional to 7,381.79, 11,073.78 and 2,637.57

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Solution

The fourth proportional to 7,381.79, 11,073.78 and 2,637.57 is: 3,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.79 : 11,073.78 = 2,637.57 : x
  2. Step 2: Convert to fraction form
    7,381.79/11,073.78 = 2,637.57/x
  3. Step 3: Cross multiply
    7,381.79x = 11,073.78 × 2,637.57
  4. Step 4: Simplify right side
    7,381.79x = 29,207,869.91
  5. Step 5: Solve for x
    x = 29,207,869.91/7,381.79
  6. Step 6: Final answer
    x = 3,956.75

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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.