Home / 4,811.42-6,640.38-2,822.74

Finding the Fourth Proportional to 4,811.42, 6,640.38 and 2,822.74

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Solution

The fourth proportional to 4,811.42, 6,640.38 and 2,822.74 is: 3,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.42 : 6,640.38 = 2,822.74 : x
  2. Step 2: Convert to fraction form
    4,811.42/6,640.38 = 2,822.74/x
  3. Step 3: Cross multiply
    4,811.42x = 6,640.38 × 2,822.74
  4. Step 4: Simplify right side
    4,811.42x = 18,744,066.24
  5. Step 5: Solve for x
    x = 18,744,066.24/4,811.42
  6. Step 6: Final answer
    x = 3,895.75

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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.