Home / 7,254.39-10,876.46-3,742.91

Finding the Fourth Proportional to 7,254.39, 10,876.46 and 3,742.91

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Solution

The fourth proportional to 7,254.39, 10,876.46 and 3,742.91 is: 5,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.39 : 10,876.46 = 3,742.91 : x
  2. Step 2: Convert to fraction form
    7,254.39/10,876.46 = 3,742.91/x
  3. Step 3: Cross multiply
    7,254.39x = 10,876.46 × 3,742.91
  4. Step 4: Simplify right side
    7,254.39x = 40,709,537.80
  5. Step 5: Solve for x
    x = 40,709,537.80/7,254.39
  6. Step 6: Final answer
    x = 5,611.71

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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.