Home / 4,142.53-5,717.96-2,818.18

Finding the Fourth Proportional to 4,142.53, 5,717.96 and 2,818.18

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Solution

The fourth proportional to 4,142.53, 5,717.96 and 2,818.18 is: 3,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.53 : 5,717.96 = 2,818.18 : x
  2. Step 2: Convert to fraction form
    4,142.53/5,717.96 = 2,818.18/x
  3. Step 3: Cross multiply
    4,142.53x = 5,717.96 × 2,818.18
  4. Step 4: Simplify right side
    4,142.53x = 16,114,240.51
  5. Step 5: Solve for x
    x = 16,114,240.51/4,142.53
  6. Step 6: Final answer
    x = 3,889.95

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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.