Home / 7,381.61-10,179.96-4,862.81

Finding the Fourth Proportional to 7,381.61, 10,179.96 and 4,862.81

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Solution

The fourth proportional to 7,381.61, 10,179.96 and 4,862.81 is: 6,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.61 : 10,179.96 = 4,862.81 : x
  2. Step 2: Convert to fraction form
    7,381.61/10,179.96 = 4,862.81/x
  3. Step 3: Cross multiply
    7,381.61x = 10,179.96 × 4,862.81
  4. Step 4: Simplify right side
    7,381.61x = 49,503,160.39
  5. Step 5: Solve for x
    x = 49,503,160.39/7,381.61
  6. Step 6: Final answer
    x = 6,706.29

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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.