Home / 7,919.27-11,882.85-3,535.55

Finding the Fourth Proportional to 7,919.27, 11,882.85 and 3,535.55

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Solution

The fourth proportional to 7,919.27, 11,882.85 and 3,535.55 is: 5,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.27 : 11,882.85 = 3,535.55 : x
  2. Step 2: Convert to fraction form
    7,919.27/11,882.85 = 3,535.55/x
  3. Step 3: Cross multiply
    7,919.27x = 11,882.85 × 3,535.55
  4. Step 4: Simplify right side
    7,919.27x = 42,012,333.23
  5. Step 5: Solve for x
    x = 42,012,333.23/7,919.27
  6. Step 6: Final answer
    x = 5,305.08

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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.