Home / 5,240.32-7,231.38-2,882.08

Finding the Fourth Proportional to 5,240.32, 7,231.38 and 2,882.08

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Solution

The fourth proportional to 5,240.32, 7,231.38 and 2,882.08 is: 3,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.32 : 7,231.38 = 2,882.08 : x
  2. Step 2: Convert to fraction form
    5,240.32/7,231.38 = 2,882.08/x
  3. Step 3: Cross multiply
    5,240.32x = 7,231.38 × 2,882.08
  4. Step 4: Simplify right side
    5,240.32x = 20,841,415.67
  5. Step 5: Solve for x
    x = 20,841,415.67/5,240.32
  6. Step 6: Final answer
    x = 3,977.13

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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.