Home / 7,137.58-10,705.56-2,754.66

Finding the Fourth Proportional to 7,137.58, 10,705.56 and 2,754.66

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Solution

The fourth proportional to 7,137.58, 10,705.56 and 2,754.66 is: 4,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.58 : 10,705.56 = 2,754.66 : x
  2. Step 2: Convert to fraction form
    7,137.58/10,705.56 = 2,754.66/x
  3. Step 3: Cross multiply
    7,137.58x = 10,705.56 × 2,754.66
  4. Step 4: Simplify right side
    7,137.58x = 29,490,177.91
  5. Step 5: Solve for x
    x = 29,490,177.91/7,137.58
  6. Step 6: Final answer
    x = 4,131.68

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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.