Home / 4,354.28-6,531.42-1,276.28

Finding the Fourth Proportional to 4,354.28, 6,531.42 and 1,276.28

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Solution

The fourth proportional to 4,354.28, 6,531.42 and 1,276.28 is: 1,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.28 : 6,531.42 = 1,276.28 : x
  2. Step 2: Convert to fraction form
    4,354.28/6,531.42 = 1,276.28/x
  3. Step 3: Cross multiply
    4,354.28x = 6,531.42 × 1,276.28
  4. Step 4: Simplify right side
    4,354.28x = 8,335,920.72
  5. Step 5: Solve for x
    x = 8,335,920.72/4,354.28
  6. Step 6: Final answer
    x = 1,914.42

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Similar ratio
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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.