Home / 4,117.29-6,171.84-2,657.47

Finding the Fourth Proportional to 4,117.29, 6,171.84 and 2,657.47

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Solution

The fourth proportional to 4,117.29, 6,171.84 and 2,657.47 is: 3,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.29 : 6,171.84 = 2,657.47 : x
  2. Step 2: Convert to fraction form
    4,117.29/6,171.84 = 2,657.47/x
  3. Step 3: Cross multiply
    4,117.29x = 6,171.84 × 2,657.47
  4. Step 4: Simplify right side
    4,117.29x = 16,401,479.64
  5. Step 5: Solve for x
    x = 16,401,479.64/4,117.29
  6. Step 6: Final answer
    x = 3,983.56

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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.