Home / 3,715.63-5,574.18-1,375.66

Finding the Fourth Proportional to 3,715.63, 5,574.18 and 1,375.66

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Solution

The fourth proportional to 3,715.63, 5,574.18 and 1,375.66 is: 2,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.63 : 5,574.18 = 1,375.66 : x
  2. Step 2: Convert to fraction form
    3,715.63/5,574.18 = 1,375.66/x
  3. Step 3: Cross multiply
    3,715.63x = 5,574.18 × 1,375.66
  4. Step 4: Simplify right side
    3,715.63x = 7,668,145.15
  5. Step 5: Solve for x
    x = 7,668,145.15/3,715.63
  6. Step 6: Final answer
    x = 2,063.75

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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.