Home / 7,192.12-9,925.64-4,167.88

Finding the Fourth Proportional to 7,192.12, 9,925.64 and 4,167.88

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Solution

The fourth proportional to 7,192.12, 9,925.64 and 4,167.88 is: 5,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.12 : 9,925.64 = 4,167.88 : x
  2. Step 2: Convert to fraction form
    7,192.12/9,925.64 = 4,167.88/x
  3. Step 3: Cross multiply
    7,192.12x = 9,925.64 × 4,167.88
  4. Step 4: Simplify right side
    7,192.12x = 41,368,876.44
  5. Step 5: Solve for x
    x = 41,368,876.44/7,192.12
  6. Step 6: Final answer
    x = 5,751.97

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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.