Home / 5,103.28-7,042.89-2,834.74

Finding the Fourth Proportional to 5,103.28, 7,042.89 and 2,834.74

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Solution

The fourth proportional to 5,103.28, 7,042.89 and 2,834.74 is: 3,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.28 : 7,042.89 = 2,834.74 : x
  2. Step 2: Convert to fraction form
    5,103.28/7,042.89 = 2,834.74/x
  3. Step 3: Cross multiply
    5,103.28x = 7,042.89 × 2,834.74
  4. Step 4: Simplify right side
    5,103.28x = 19,964,762.00
  5. Step 5: Solve for x
    x = 19,964,762.00/5,103.28
  6. Step 6: Final answer
    x = 3,912.14

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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.