Home / 4,046.28-6,069.54-1,272.90

Finding the Fourth Proportional to 4,046.28, 6,069.54 and 1,272.90

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Solution

The fourth proportional to 4,046.28, 6,069.54 and 1,272.90 is: 1,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.28 : 6,069.54 = 1,272.90 : x
  2. Step 2: Convert to fraction form
    4,046.28/6,069.54 = 1,272.90/x
  3. Step 3: Cross multiply
    4,046.28x = 6,069.54 × 1,272.90
  4. Step 4: Simplify right side
    4,046.28x = 7,725,917.47
  5. Step 5: Solve for x
    x = 7,725,917.47/4,046.28
  6. Step 6: Final answer
    x = 1,909.39

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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.