Home / 5,279.47-7,903.43-3,193.17

Finding the Fourth Proportional to 5,279.47, 7,903.43 and 3,193.17

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Solution

The fourth proportional to 5,279.47, 7,903.43 and 3,193.17 is: 4,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.47 : 7,903.43 = 3,193.17 : x
  2. Step 2: Convert to fraction form
    5,279.47/7,903.43 = 3,193.17/x
  3. Step 3: Cross multiply
    5,279.47x = 7,903.43 × 3,193.17
  4. Step 4: Simplify right side
    5,279.47x = 25,236,956.06
  5. Step 5: Solve for x
    x = 25,236,956.06/5,279.47
  6. Step 6: Final answer
    x = 4,780.20

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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.