Home / 4,451.40-6,679.47-2,891.04

Finding the Fourth Proportional to 4,451.40, 6,679.47 and 2,891.04

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Solution

The fourth proportional to 4,451.40, 6,679.47 and 2,891.04 is: 4,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.40 : 6,679.47 = 2,891.04 : x
  2. Step 2: Convert to fraction form
    4,451.40/6,679.47 = 2,891.04/x
  3. Step 3: Cross multiply
    4,451.40x = 6,679.47 × 2,891.04
  4. Step 4: Simplify right side
    4,451.40x = 19,310,614.95
  5. Step 5: Solve for x
    x = 19,310,614.95/4,451.40
  6. Step 6: Final answer
    x = 4,338.10

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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.