Home / 7,161.91-10,740.30-2,480.66

Finding the Fourth Proportional to 7,161.91, 10,740.30 and 2,480.66

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Solution

The fourth proportional to 7,161.91, 10,740.30 and 2,480.66 is: 3,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.91 : 10,740.30 = 2,480.66 : x
  2. Step 2: Convert to fraction form
    7,161.91/10,740.30 = 2,480.66/x
  3. Step 3: Cross multiply
    7,161.91x = 10,740.30 × 2,480.66
  4. Step 4: Simplify right side
    7,161.91x = 26,643,020.19
  5. Step 5: Solve for x
    x = 26,643,020.19/7,161.91
  6. Step 6: Final answer
    x = 3,720.10

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1.5x scale

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.