Home / 7,294.88-10,067.40-4,151.07

Finding the Fourth Proportional to 7,294.88, 10,067.40 and 4,151.07

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Solution

The fourth proportional to 7,294.88, 10,067.40 and 4,151.07 is: 5,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.88 : 10,067.40 = 4,151.07 : x
  2. Step 2: Convert to fraction form
    7,294.88/10,067.40 = 4,151.07/x
  3. Step 3: Cross multiply
    7,294.88x = 10,067.40 × 4,151.07
  4. Step 4: Simplify right side
    7,294.88x = 41,790,482.12
  5. Step 5: Solve for x
    x = 41,790,482.12/7,294.88
  6. Step 6: Final answer
    x = 5,728.75

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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.