Home / 4,561.78-6,842.73-1,275.13

Finding the Fourth Proportional to 4,561.78, 6,842.73 and 1,275.13

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Solution

The fourth proportional to 4,561.78, 6,842.73 and 1,275.13 is: 1,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.78 : 6,842.73 = 1,275.13 : x
  2. Step 2: Convert to fraction form
    4,561.78/6,842.73 = 1,275.13/x
  3. Step 3: Cross multiply
    4,561.78x = 6,842.73 × 1,275.13
  4. Step 4: Simplify right side
    4,561.78x = 8,725,370.30
  5. Step 5: Solve for x
    x = 8,725,370.30/4,561.78
  6. Step 6: Final answer
    x = 1,912.71

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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.