Home / 5,180.29-7,770.32-1,482.49

Finding the Fourth Proportional to 5,180.29, 7,770.32 and 1,482.49

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Solution

The fourth proportional to 5,180.29, 7,770.32 and 1,482.49 is: 2,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.29 : 7,770.32 = 1,482.49 : x
  2. Step 2: Convert to fraction form
    5,180.29/7,770.32 = 1,482.49/x
  3. Step 3: Cross multiply
    5,180.29x = 7,770.32 × 1,482.49
  4. Step 4: Simplify right side
    5,180.29x = 11,519,421.70
  5. Step 5: Solve for x
    x = 11,519,421.70/5,180.29
  6. Step 6: Final answer
    x = 2,223.70

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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.