Home / 4,246.50-5,857.68-2,989.38

Finding the Fourth Proportional to 4,246.50, 5,857.68 and 2,989.38

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Solution

The fourth proportional to 4,246.50, 5,857.68 and 2,989.38 is: 4,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.50 : 5,857.68 = 2,989.38 : x
  2. Step 2: Convert to fraction form
    4,246.50/5,857.68 = 2,989.38/x
  3. Step 3: Cross multiply
    4,246.50x = 5,857.68 × 2,989.38
  4. Step 4: Simplify right side
    4,246.50x = 17,510,831.44
  5. Step 5: Solve for x
    x = 17,510,831.44/4,246.50
  6. Step 6: Final answer
    x = 4,123.59

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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.