Home / 5,199.80-7,799.70-4,584.20

Finding the Fourth Proportional to 5,199.80, 7,799.70 and 4,584.20

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Solution

The fourth proportional to 5,199.80, 7,799.70 and 4,584.20 is: 6,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.80 : 7,799.70 = 4,584.20 : x
  2. Step 2: Convert to fraction form
    5,199.80/7,799.70 = 4,584.20/x
  3. Step 3: Cross multiply
    5,199.80x = 7,799.70 × 4,584.20
  4. Step 4: Simplify right side
    5,199.80x = 35,755,384.74
  5. Step 5: Solve for x
    x = 35,755,384.74/5,199.80
  6. Step 6: Final answer
    x = 6,876.30

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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.