Home / 7,126.21-10,691.16-2,964.88

Finding the Fourth Proportional to 7,126.21, 10,691.16 and 2,964.88

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Solution

The fourth proportional to 7,126.21, 10,691.16 and 2,964.88 is: 4,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.21 : 10,691.16 = 2,964.88 : x
  2. Step 2: Convert to fraction form
    7,126.21/10,691.16 = 2,964.88/x
  3. Step 3: Cross multiply
    7,126.21x = 10,691.16 × 2,964.88
  4. Step 4: Simplify right side
    7,126.21x = 31,698,006.46
  5. Step 5: Solve for x
    x = 31,698,006.46/7,126.21
  6. Step 6: Final answer
    x = 4,448.09

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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.