Home / 7,948.23-11,920.07-3,204.38

Finding the Fourth Proportional to 7,948.23, 11,920.07 and 3,204.38

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Solution

The fourth proportional to 7,948.23, 11,920.07 and 3,204.38 is: 4,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.23 : 11,920.07 = 3,204.38 : x
  2. Step 2: Convert to fraction form
    7,948.23/11,920.07 = 3,204.38/x
  3. Step 3: Cross multiply
    7,948.23x = 11,920.07 × 3,204.38
  4. Step 4: Simplify right side
    7,948.23x = 38,196,358.28
  5. Step 5: Solve for x
    x = 38,196,358.28/7,948.23
  6. Step 6: Final answer
    x = 4,805.64

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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.