Home / 5,180.04-7,770.64-1,669.24

Finding the Fourth Proportional to 5,180.04, 7,770.64 and 1,669.24

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Solution

The fourth proportional to 5,180.04, 7,770.64 and 1,669.24 is: 2,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.04 : 7,770.64 = 1,669.24 : x
  2. Step 2: Convert to fraction form
    5,180.04/7,770.64 = 1,669.24/x
  3. Step 3: Cross multiply
    5,180.04x = 7,770.64 × 1,669.24
  4. Step 4: Simplify right side
    5,180.04x = 12,971,063.11
  5. Step 5: Solve for x
    x = 12,971,063.11/5,180.04
  6. Step 6: Final answer
    x = 2,504.05

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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.