Home / 4,451.12-6,141.48-2,878.92

Finding the Fourth Proportional to 4,451.12, 6,141.48 and 2,878.92

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Solution

The fourth proportional to 4,451.12, 6,141.48 and 2,878.92 is: 3,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.12 : 6,141.48 = 2,878.92 : x
  2. Step 2: Convert to fraction form
    4,451.12/6,141.48 = 2,878.92/x
  3. Step 3: Cross multiply
    4,451.12x = 6,141.48 × 2,878.92
  4. Step 4: Simplify right side
    4,451.12x = 17,680,829.60
  5. Step 5: Solve for x
    x = 17,680,829.60/4,451.12
  6. Step 6: Final answer
    x = 3,972.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.