Home / 5,240.30-7,230.87-2,882.59

Finding the Fourth Proportional to 5,240.30, 7,230.87 and 2,882.59

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Solution

The fourth proportional to 5,240.30, 7,230.87 and 2,882.59 is: 3,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.30 : 7,230.87 = 2,882.59 : x
  2. Step 2: Convert to fraction form
    5,240.30/7,230.87 = 2,882.59/x
  3. Step 3: Cross multiply
    5,240.30x = 7,230.87 × 2,882.59
  4. Step 4: Simplify right side
    5,240.30x = 20,843,615.48
  5. Step 5: Solve for x
    x = 20,843,615.48/5,240.30
  6. Step 6: Final answer
    x = 3,977.57

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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.