Home / 7,948.40-11,922.71-2,401.79

Finding the Fourth Proportional to 7,948.40, 11,922.71 and 2,401.79

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Solution

The fourth proportional to 7,948.40, 11,922.71 and 2,401.79 is: 3,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.40 : 11,922.71 = 2,401.79 : x
  2. Step 2: Convert to fraction form
    7,948.40/11,922.71 = 2,401.79/x
  3. Step 3: Cross multiply
    7,948.40x = 11,922.71 × 2,401.79
  4. Step 4: Simplify right side
    7,948.40x = 28,635,774.03
  5. Step 5: Solve for x
    x = 28,635,774.03/7,948.40
  6. Step 6: Final answer
    x = 3,602.71

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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.