Home / 4,427.28-6,641.68-1,828.80

Finding the Fourth Proportional to 4,427.28, 6,641.68 and 1,828.80

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Solution

The fourth proportional to 4,427.28, 6,641.68 and 1,828.80 is: 2,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.28 : 6,641.68 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    4,427.28/6,641.68 = 1,828.80/x
  3. Step 3: Cross multiply
    4,427.28x = 6,641.68 × 1,828.80
  4. Step 4: Simplify right side
    4,427.28x = 12,146,304.38
  5. Step 5: Solve for x
    x = 12,146,304.38/4,427.28
  6. Step 6: Final answer
    x = 2,743.51

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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.