Home / 7,275.96-10,913.94-2,081.84

Finding the Fourth Proportional to 7,275.96, 10,913.94 and 2,081.84

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Solution

The fourth proportional to 7,275.96, 10,913.94 and 2,081.84 is: 3,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.96 : 10,913.94 = 2,081.84 : x
  2. Step 2: Convert to fraction form
    7,275.96/10,913.94 = 2,081.84/x
  3. Step 3: Cross multiply
    7,275.96x = 10,913.94 × 2,081.84
  4. Step 4: Simplify right side
    7,275.96x = 22,721,022.28
  5. Step 5: Solve for x
    x = 22,721,022.28/7,275.96
  6. Step 6: Final answer
    x = 3,122.75

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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.