Home / 4,272.52-6,412.38-4,240.12

Finding the Fourth Proportional to 4,272.52, 6,412.38 and 4,240.12

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Solution

The fourth proportional to 4,272.52, 6,412.38 and 4,240.12 is: 6,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.52 : 6,412.38 = 4,240.12 : x
  2. Step 2: Convert to fraction form
    4,272.52/6,412.38 = 4,240.12/x
  3. Step 3: Cross multiply
    4,272.52x = 6,412.38 × 4,240.12
  4. Step 4: Simplify right side
    4,272.52x = 27,189,260.69
  5. Step 5: Solve for x
    x = 27,189,260.69/4,272.52
  6. Step 6: Final answer
    x = 6,363.75

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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.