Home / 7,159.70-10,741.11-2,942.97

Finding the Fourth Proportional to 7,159.70, 10,741.11 and 2,942.97

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Solution

The fourth proportional to 7,159.70, 10,741.11 and 2,942.97 is: 4,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.70 : 10,741.11 = 2,942.97 : x
  2. Step 2: Convert to fraction form
    7,159.70/10,741.11 = 2,942.97/x
  3. Step 3: Cross multiply
    7,159.70x = 10,741.11 × 2,942.97
  4. Step 4: Simplify right side
    7,159.70x = 31,610,764.50
  5. Step 5: Solve for x
    x = 31,610,764.50/7,159.70
  6. Step 6: Final answer
    x = 4,415.10

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1.5x scale

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.