Home / 4,186.38-6,275.98-1,719.66

Finding the Fourth Proportional to 4,186.38, 6,275.98 and 1,719.66

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Solution

The fourth proportional to 4,186.38, 6,275.98 and 1,719.66 is: 2,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.38 : 6,275.98 = 1,719.66 : x
  2. Step 2: Convert to fraction form
    4,186.38/6,275.98 = 1,719.66/x
  3. Step 3: Cross multiply
    4,186.38x = 6,275.98 × 1,719.66
  4. Step 4: Simplify right side
    4,186.38x = 10,792,551.77
  5. Step 5: Solve for x
    x = 10,792,551.77/4,186.38
  6. Step 6: Final answer
    x = 2,578.02

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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.