Home / 5,491.20-7,577.91-3,134.10

Finding the Fourth Proportional to 5,491.20, 7,577.91 and 3,134.10

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Solution

The fourth proportional to 5,491.20, 7,577.91 and 3,134.10 is: 4,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.20 : 7,577.91 = 3,134.10 : x
  2. Step 2: Convert to fraction form
    5,491.20/7,577.91 = 3,134.10/x
  3. Step 3: Cross multiply
    5,491.20x = 7,577.91 × 3,134.10
  4. Step 4: Simplify right side
    5,491.20x = 23,749,927.73
  5. Step 5: Solve for x
    x = 23,749,927.73/5,491.20
  6. Step 6: Final answer
    x = 4,325.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.