Home / 7,161.06-10,739.51-2,480.88

Finding the Fourth Proportional to 7,161.06, 10,739.51 and 2,480.88

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Solution

The fourth proportional to 7,161.06, 10,739.51 and 2,480.88 is: 3,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.06 : 10,739.51 = 2,480.88 : x
  2. Step 2: Convert to fraction form
    7,161.06/10,739.51 = 2,480.88/x
  3. Step 3: Cross multiply
    7,161.06x = 10,739.51 × 2,480.88
  4. Step 4: Simplify right side
    7,161.06x = 26,643,423.16
  5. Step 5: Solve for x
    x = 26,643,423.16/7,161.06
  6. Step 6: Final answer
    x = 3,720.60

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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.