Home / 5,491.22-7,581.38-3,606.14

Finding the Fourth Proportional to 5,491.22, 7,581.38 and 3,606.14

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Solution

The fourth proportional to 5,491.22, 7,581.38 and 3,606.14 is: 4,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.22 : 7,581.38 = 3,606.14 : x
  2. Step 2: Convert to fraction form
    5,491.22/7,581.38 = 3,606.14/x
  3. Step 3: Cross multiply
    5,491.22x = 7,581.38 × 3,606.14
  4. Step 4: Simplify right side
    5,491.22x = 27,339,461.74
  5. Step 5: Solve for x
    x = 27,339,461.74/5,491.22
  6. Step 6: Final answer
    x = 4,978.76

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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.