Home / 7,182.79-10,769.86-2,740.75

Finding the Fourth Proportional to 7,182.79, 10,769.86 and 2,740.75

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Solution

The fourth proportional to 7,182.79, 10,769.86 and 2,740.75 is: 4,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.79 : 10,769.86 = 2,740.75 : x
  2. Step 2: Convert to fraction form
    7,182.79/10,769.86 = 2,740.75/x
  3. Step 3: Cross multiply
    7,182.79x = 10,769.86 × 2,740.75
  4. Step 4: Simplify right side
    7,182.79x = 29,517,493.80
  5. Step 5: Solve for x
    x = 29,517,493.80/7,182.79
  6. Step 6: Final answer
    x = 4,109.47

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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.