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Finding the Fourth Proportional to 7,266.44, 10,889.24 and 4,139.98

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Solution

The fourth proportional to 7,266.44, 10,889.24 and 4,139.98 is: 6,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.44 : 10,889.24 = 4,139.98 : x
  2. Step 2: Convert to fraction form
    7,266.44/10,889.24 = 4,139.98/x
  3. Step 3: Cross multiply
    7,266.44x = 10,889.24 × 4,139.98
  4. Step 4: Simplify right side
    7,266.44x = 45,081,235.82
  5. Step 5: Solve for x
    x = 45,081,235.82/7,266.44
  6. Step 6: Final answer
    x = 6,204.03

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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.