Home / 4,125.68-5,695.40-2,613.99

Finding the Fourth Proportional to 4,125.68, 5,695.40 and 2,613.99

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Solution

The fourth proportional to 4,125.68, 5,695.40 and 2,613.99 is: 3,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.68 : 5,695.40 = 2,613.99 : x
  2. Step 2: Convert to fraction form
    4,125.68/5,695.40 = 2,613.99/x
  3. Step 3: Cross multiply
    4,125.68x = 5,695.40 × 2,613.99
  4. Step 4: Simplify right side
    4,125.68x = 14,887,736.74
  5. Step 5: Solve for x
    x = 14,887,736.74/4,125.68
  6. Step 6: Final answer
    x = 3,608.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.