Home / 6,721.46-10,080.65-2,561.94

Finding the Fourth Proportional to 6,721.46, 10,080.65 and 2,561.94

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Solution

The fourth proportional to 6,721.46, 10,080.65 and 2,561.94 is: 3,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.46 : 10,080.65 = 2,561.94 : x
  2. Step 2: Convert to fraction form
    6,721.46/10,080.65 = 2,561.94/x
  3. Step 3: Cross multiply
    6,721.46x = 10,080.65 × 2,561.94
  4. Step 4: Simplify right side
    6,721.46x = 25,826,020.46
  5. Step 5: Solve for x
    x = 25,826,020.46/6,721.46
  6. Step 6: Final answer
    x = 3,842.32

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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.