Home / 7,161.79-10,740.06-2,480.59

Finding the Fourth Proportional to 7,161.79, 10,740.06 and 2,480.59

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Solution

The fourth proportional to 7,161.79, 10,740.06 and 2,480.59 is: 3,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.79 : 10,740.06 = 2,480.59 : x
  2. Step 2: Convert to fraction form
    7,161.79/10,740.06 = 2,480.59/x
  3. Step 3: Cross multiply
    7,161.79x = 10,740.06 × 2,480.59
  4. Step 4: Simplify right side
    7,161.79x = 26,641,685.44
  5. Step 5: Solve for x
    x = 26,641,685.44/7,161.79
  6. Step 6: Final answer
    x = 3,719.98

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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.