Home / 7,946.12-11,920.48-3,264.88

Finding the Fourth Proportional to 7,946.12, 11,920.48 and 3,264.88

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Solution

The fourth proportional to 7,946.12, 11,920.48 and 3,264.88 is: 4,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.12 : 11,920.48 = 3,264.88 : x
  2. Step 2: Convert to fraction form
    7,946.12/11,920.48 = 3,264.88/x
  3. Step 3: Cross multiply
    7,946.12x = 11,920.48 × 3,264.88
  4. Step 4: Simplify right side
    7,946.12x = 38,918,936.74
  5. Step 5: Solve for x
    x = 38,918,936.74/7,946.12
  6. Step 6: Final answer
    x = 4,897.85

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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.