Home / 5,669.60-7,823.51-3,279.18

Finding the Fourth Proportional to 5,669.60, 7,823.51 and 3,279.18

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Solution

The fourth proportional to 5,669.60, 7,823.51 and 3,279.18 is: 4,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.60 : 7,823.51 = 3,279.18 : x
  2. Step 2: Convert to fraction form
    5,669.60/7,823.51 = 3,279.18/x
  3. Step 3: Cross multiply
    5,669.60x = 7,823.51 × 3,279.18
  4. Step 4: Simplify right side
    5,669.60x = 25,654,731.98
  5. Step 5: Solve for x
    x = 25,654,731.98/5,669.60
  6. Step 6: Final answer
    x = 4,524.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.