Home / 7,272.36-10,899.57-5,181

Finding the Fourth Proportional to 7,272.36, 10,899.57 and 5,181

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Solution

The fourth proportional to 7,272.36, 10,899.57 and 5,181 is: 7,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.36 : 10,899.57 = 5,181 : x
  2. Step 2: Convert to fraction form
    7,272.36/10,899.57 = 5,181/x
  3. Step 3: Cross multiply
    7,272.36x = 10,899.57 × 5,181
  4. Step 4: Simplify right side
    7,272.36x = 56,470,672.17
  5. Step 5: Solve for x
    x = 56,470,672.17/7,272.36
  6. Step 6: Final answer
    x = 7,765.11

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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.