Home / 4,275.28-6,412.92-1,678.22

Finding the Fourth Proportional to 4,275.28, 6,412.92 and 1,678.22

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Solution

The fourth proportional to 4,275.28, 6,412.92 and 1,678.22 is: 2,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.28 : 6,412.92 = 1,678.22 : x
  2. Step 2: Convert to fraction form
    4,275.28/6,412.92 = 1,678.22/x
  3. Step 3: Cross multiply
    4,275.28x = 6,412.92 × 1,678.22
  4. Step 4: Simplify right side
    4,275.28x = 10,762,285.73
  5. Step 5: Solve for x
    x = 10,762,285.73/4,275.28
  6. Step 6: Final answer
    x = 2,517.33

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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.