Home / 5,106.25-7,046.57-2,868.08

Finding the Fourth Proportional to 5,106.25, 7,046.57 and 2,868.08

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Solution

The fourth proportional to 5,106.25, 7,046.57 and 2,868.08 is: 3,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.25 : 7,046.57 = 2,868.08 : x
  2. Step 2: Convert to fraction form
    5,106.25/7,046.57 = 2,868.08/x
  3. Step 3: Cross multiply
    5,106.25x = 7,046.57 × 2,868.08
  4. Step 4: Simplify right side
    5,106.25x = 20,210,126.49
  5. Step 5: Solve for x
    x = 20,210,126.49/5,106.25
  6. Step 6: Final answer
    x = 3,957.92

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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.