Home / 8,310.78-11,468.88-4,725.54

Finding the Fourth Proportional to 8,310.78, 11,468.88 and 4,725.54

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Solution

The fourth proportional to 8,310.78, 11,468.88 and 4,725.54 is: 6,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.78 : 11,468.88 = 4,725.54 : x
  2. Step 2: Convert to fraction form
    8,310.78/11,468.88 = 4,725.54/x
  3. Step 3: Cross multiply
    8,310.78x = 11,468.88 × 4,725.54
  4. Step 4: Simplify right side
    8,310.78x = 54,196,651.20
  5. Step 5: Solve for x
    x = 54,196,651.20/8,310.78
  6. Step 6: Final answer
    x = 6,521.25

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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.