Home / 6,838.08-10,257.12-5,280.36

Finding the Fourth Proportional to 6,838.08, 10,257.12 and 5,280.36

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Solution

The fourth proportional to 6,838.08, 10,257.12 and 5,280.36 is: 7,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.08 : 10,257.12 = 5,280.36 : x
  2. Step 2: Convert to fraction form
    6,838.08/10,257.12 = 5,280.36/x
  3. Step 3: Cross multiply
    6,838.08x = 10,257.12 × 5,280.36
  4. Step 4: Simplify right side
    6,838.08x = 54,161,286.16
  5. Step 5: Solve for x
    x = 54,161,286.16/6,838.08
  6. Step 6: Final answer
    x = 7,920.54

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Similar ratio
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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.