Home / 4,085.68-5,634.48-3,925.84

Finding the Fourth Proportional to 4,085.68, 5,634.48 and 3,925.84

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Solution

The fourth proportional to 4,085.68, 5,634.48 and 3,925.84 is: 5,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.68 : 5,634.48 = 3,925.84 : x
  2. Step 2: Convert to fraction form
    4,085.68/5,634.48 = 3,925.84/x
  3. Step 3: Cross multiply
    4,085.68x = 5,634.48 × 3,925.84
  4. Step 4: Simplify right side
    4,085.68x = 22,120,066.96
  5. Step 5: Solve for x
    x = 22,120,066.96/4,085.68
  6. Step 6: Final answer
    x = 5,414.05

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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.