Home / 7,943.08-11,920.70-3,329.32

Finding the Fourth Proportional to 7,943.08, 11,920.70 and 3,329.32

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Solution

The fourth proportional to 7,943.08, 11,920.70 and 3,329.32 is: 4,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.08 : 11,920.70 = 3,329.32 : x
  2. Step 2: Convert to fraction form
    7,943.08/11,920.70 = 3,329.32/x
  3. Step 3: Cross multiply
    7,943.08x = 11,920.70 × 3,329.32
  4. Step 4: Simplify right side
    7,943.08x = 39,687,824.92
  5. Step 5: Solve for x
    x = 39,687,824.92/7,943.08
  6. Step 6: Final answer
    x = 4,996.53

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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.