Home / 7,121.52-10,683.14-2,964.34

Finding the Fourth Proportional to 7,121.52, 10,683.14 and 2,964.34

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Solution

The fourth proportional to 7,121.52, 10,683.14 and 2,964.34 is: 4,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.52 : 10,683.14 = 2,964.34 : x
  2. Step 2: Convert to fraction form
    7,121.52/10,683.14 = 2,964.34/x
  3. Step 3: Cross multiply
    7,121.52x = 10,683.14 × 2,964.34
  4. Step 4: Simplify right side
    7,121.52x = 31,668,459.23
  5. Step 5: Solve for x
    x = 31,668,459.23/7,121.52
  6. Step 6: Final answer
    x = 4,446.87

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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.