Home / 5,204.12-7,808.90-2,739.15

Finding the Fourth Proportional to 5,204.12, 7,808.90 and 2,739.15

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Solution

The fourth proportional to 5,204.12, 7,808.90 and 2,739.15 is: 4,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.12 : 7,808.90 = 2,739.15 : x
  2. Step 2: Convert to fraction form
    5,204.12/7,808.90 = 2,739.15/x
  3. Step 3: Cross multiply
    5,204.12x = 7,808.90 × 2,739.15
  4. Step 4: Simplify right side
    5,204.12x = 21,389,734.74
  5. Step 5: Solve for x
    x = 21,389,734.74/5,204.12
  6. Step 6: Final answer
    x = 4,110.16

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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.