Home / 7,371.42-11,057.13-2,439.74

Finding the Fourth Proportional to 7,371.42, 11,057.13 and 2,439.74

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Solution

The fourth proportional to 7,371.42, 11,057.13 and 2,439.74 is: 3,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.42 : 11,057.13 = 2,439.74 : x
  2. Step 2: Convert to fraction form
    7,371.42/11,057.13 = 2,439.74/x
  3. Step 3: Cross multiply
    7,371.42x = 11,057.13 × 2,439.74
  4. Step 4: Simplify right side
    7,371.42x = 26,976,467.06
  5. Step 5: Solve for x
    x = 26,976,467.06/7,371.42
  6. Step 6: Final answer
    x = 3,659.60

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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.