Home / 7,891.18-11,833.69-2,958.13

Finding the Fourth Proportional to 7,891.18, 11,833.69 and 2,958.13

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Solution

The fourth proportional to 7,891.18, 11,833.69 and 2,958.13 is: 4,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.18 : 11,833.69 = 2,958.13 : x
  2. Step 2: Convert to fraction form
    7,891.18/11,833.69 = 2,958.13/x
  3. Step 3: Cross multiply
    7,891.18x = 11,833.69 × 2,958.13
  4. Step 4: Simplify right side
    7,891.18x = 35,005,534.23
  5. Step 5: Solve for x
    x = 35,005,534.23/7,891.18
  6. Step 6: Final answer
    x = 4,436.03

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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.