Home / 5,512.21-7,603.81-3,491.92

Finding the Fourth Proportional to 5,512.21, 7,603.81 and 3,491.92

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Solution

The fourth proportional to 5,512.21, 7,603.81 and 3,491.92 is: 4,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.21 : 7,603.81 = 3,491.92 : x
  2. Step 2: Convert to fraction form
    5,512.21/7,603.81 = 3,491.92/x
  3. Step 3: Cross multiply
    5,512.21x = 7,603.81 × 3,491.92
  4. Step 4: Simplify right side
    5,512.21x = 26,551,896.22
  5. Step 5: Solve for x
    x = 26,551,896.22/5,512.21
  6. Step 6: Final answer
    x = 4,816.92

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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.