Home / 7,834.08-11,750.78-3,152.72

Finding the Fourth Proportional to 7,834.08, 11,750.78 and 3,152.72

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Solution

The fourth proportional to 7,834.08, 11,750.78 and 3,152.72 is: 4,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.08 : 11,750.78 = 3,152.72 : x
  2. Step 2: Convert to fraction form
    7,834.08/11,750.78 = 3,152.72/x
  3. Step 3: Cross multiply
    7,834.08x = 11,750.78 × 3,152.72
  4. Step 4: Simplify right side
    7,834.08x = 37,046,919.12
  5. Step 5: Solve for x
    x = 37,046,919.12/7,834.08
  6. Step 6: Final answer
    x = 4,728.94

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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.