Home / 7,148.56-10,726.26-2,764.84

Finding the Fourth Proportional to 7,148.56, 10,726.26 and 2,764.84

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Solution

The fourth proportional to 7,148.56, 10,726.26 and 2,764.84 is: 4,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.56 : 10,726.26 = 2,764.84 : x
  2. Step 2: Convert to fraction form
    7,148.56/10,726.26 = 2,764.84/x
  3. Step 3: Cross multiply
    7,148.56x = 10,726.26 × 2,764.84
  4. Step 4: Simplify right side
    7,148.56x = 29,656,392.70
  5. Step 5: Solve for x
    x = 29,656,392.70/7,148.56
  6. Step 6: Final answer
    x = 4,148.58

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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.