Home / 6,868.91-10,304.39-2,487.38

Finding the Fourth Proportional to 6,868.91, 10,304.39 and 2,487.38

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Solution

The fourth proportional to 6,868.91, 10,304.39 and 2,487.38 is: 3,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.91 : 10,304.39 = 2,487.38 : x
  2. Step 2: Convert to fraction form
    6,868.91/10,304.39 = 2,487.38/x
  3. Step 3: Cross multiply
    6,868.91x = 10,304.39 × 2,487.38
  4. Step 4: Simplify right side
    6,868.91x = 25,630,946.92
  5. Step 5: Solve for x
    x = 25,630,946.92/6,868.91
  6. Step 6: Final answer
    x = 3,731.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.