Home / 4,215.48-6,322.92-1,874.78

Finding the Fourth Proportional to 4,215.48, 6,322.92 and 1,874.78

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Solution

The fourth proportional to 4,215.48, 6,322.92 and 1,874.78 is: 2,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.48 : 6,322.92 = 1,874.78 : x
  2. Step 2: Convert to fraction form
    4,215.48/6,322.92 = 1,874.78/x
  3. Step 3: Cross multiply
    4,215.48x = 6,322.92 × 1,874.78
  4. Step 4: Simplify right side
    4,215.48x = 11,854,104.59
  5. Step 5: Solve for x
    x = 11,854,104.59/4,215.48
  6. Step 6: Final answer
    x = 2,812.04

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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.