Home / 4,799.70-7,199.55-3,138.98

Finding the Fourth Proportional to 4,799.70, 7,199.55 and 3,138.98

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Solution

The fourth proportional to 4,799.70, 7,199.55 and 3,138.98 is: 4,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.70 : 7,199.55 = 3,138.98 : x
  2. Step 2: Convert to fraction form
    4,799.70/7,199.55 = 3,138.98/x
  3. Step 3: Cross multiply
    4,799.70x = 7,199.55 × 3,138.98
  4. Step 4: Simplify right side
    4,799.70x = 22,599,207.46
  5. Step 5: Solve for x
    x = 22,599,207.46/4,799.70
  6. Step 6: Final answer
    x = 4,708.46

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Similar ratio
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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.