Home / 7,943.26-11,920.36-3,565.62

Finding the Fourth Proportional to 7,943.26, 11,920.36 and 3,565.62

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Solution

The fourth proportional to 7,943.26, 11,920.36 and 3,565.62 is: 5,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.26 : 11,920.36 = 3,565.62 : x
  2. Step 2: Convert to fraction form
    7,943.26/11,920.36 = 3,565.62/x
  3. Step 3: Cross multiply
    7,943.26x = 11,920.36 × 3,565.62
  4. Step 4: Simplify right side
    7,943.26x = 42,503,474.02
  5. Step 5: Solve for x
    x = 42,503,474.02/7,943.26
  6. Step 6: Final answer
    x = 5,350.89

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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.