Home / 9,716.64-14,574.92-2,791.12

Finding the Fourth Proportional to 9,716.64, 14,574.92 and 2,791.12

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Solution

The fourth proportional to 9,716.64, 14,574.92 and 2,791.12 is: 4,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.64 : 14,574.92 = 2,791.12 : x
  2. Step 2: Convert to fraction form
    9,716.64/14,574.92 = 2,791.12/x
  3. Step 3: Cross multiply
    9,716.64x = 14,574.92 × 2,791.12
  4. Step 4: Simplify right side
    9,716.64x = 40,680,350.71
  5. Step 5: Solve for x
    x = 40,680,350.71/9,716.64
  6. Step 6: Final answer
    x = 4,186.67

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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.