Home / 6,685.12-10,031.10-2,739.25

Finding the Fourth Proportional to 6,685.12, 10,031.10 and 2,739.25

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Solution

The fourth proportional to 6,685.12, 10,031.10 and 2,739.25 is: 4,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.12 : 10,031.10 = 2,739.25 : x
  2. Step 2: Convert to fraction form
    6,685.12/10,031.10 = 2,739.25/x
  3. Step 3: Cross multiply
    6,685.12x = 10,031.10 × 2,739.25
  4. Step 4: Simplify right side
    6,685.12x = 27,477,690.68
  5. Step 5: Solve for x
    x = 27,477,690.68/6,685.12
  6. Step 6: Final answer
    x = 4,110.28

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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.