Home / 3,964.15-5,473.20-3,543.15

Finding the Fourth Proportional to 3,964.15, 5,473.20 and 3,543.15

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Solution

The fourth proportional to 3,964.15, 5,473.20 and 3,543.15 is: 4,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.15 : 5,473.20 = 3,543.15 : x
  2. Step 2: Convert to fraction form
    3,964.15/5,473.20 = 3,543.15/x
  3. Step 3: Cross multiply
    3,964.15x = 5,473.20 × 3,543.15
  4. Step 4: Simplify right side
    3,964.15x = 19,392,368.58
  5. Step 5: Solve for x
    x = 19,392,368.58/3,964.15
  6. Step 6: Final answer
    x = 4,891.94

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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.