Home / 5,063.78-6,987.85-3,176.43

Finding the Fourth Proportional to 5,063.78, 6,987.85 and 3,176.43

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Solution

The fourth proportional to 5,063.78, 6,987.85 and 3,176.43 is: 4,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.78 : 6,987.85 = 3,176.43 : x
  2. Step 2: Convert to fraction form
    5,063.78/6,987.85 = 3,176.43/x
  3. Step 3: Cross multiply
    5,063.78x = 6,987.85 × 3,176.43
  4. Step 4: Simplify right side
    5,063.78x = 22,196,382.23
  5. Step 5: Solve for x
    x = 22,196,382.23/5,063.78
  6. Step 6: Final answer
    x = 4,383.36

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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.