Home / 6,913.38-10,370.21-1,719.25

Finding the Fourth Proportional to 6,913.38, 10,370.21 and 1,719.25

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Solution

The fourth proportional to 6,913.38, 10,370.21 and 1,719.25 is: 2,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.38 : 10,370.21 = 1,719.25 : x
  2. Step 2: Convert to fraction form
    6,913.38/10,370.21 = 1,719.25/x
  3. Step 3: Cross multiply
    6,913.38x = 10,370.21 × 1,719.25
  4. Step 4: Simplify right side
    6,913.38x = 17,828,983.54
  5. Step 5: Solve for x
    x = 17,828,983.54/6,913.38
  6. Step 6: Final answer
    x = 2,578.91

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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.