Home / 5,251.29-7,877.34-3,173.64

Finding the Fourth Proportional to 5,251.29, 7,877.34 and 3,173.64

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Solution

The fourth proportional to 5,251.29, 7,877.34 and 3,173.64 is: 4,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.29 : 7,877.34 = 3,173.64 : x
  2. Step 2: Convert to fraction form
    5,251.29/7,877.34 = 3,173.64/x
  3. Step 3: Cross multiply
    5,251.29x = 7,877.34 × 3,173.64
  4. Step 4: Simplify right side
    5,251.29x = 24,999,841.32
  5. Step 5: Solve for x
    x = 24,999,841.32/5,251.29
  6. Step 6: Final answer
    x = 4,760.70

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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.