Home / 4,187.52-6,275.88-1,719.38

Finding the Fourth Proportional to 4,187.52, 6,275.88 and 1,719.38

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Solution

The fourth proportional to 4,187.52, 6,275.88 and 1,719.38 is: 2,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.52 : 6,275.88 = 1,719.38 : x
  2. Step 2: Convert to fraction form
    4,187.52/6,275.88 = 1,719.38/x
  3. Step 3: Cross multiply
    4,187.52x = 6,275.88 × 1,719.38
  4. Step 4: Simplify right side
    4,187.52x = 10,790,622.55
  5. Step 5: Solve for x
    x = 10,790,622.55/4,187.52
  6. Step 6: Final answer
    x = 2,576.85

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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.