Home / 5,551.16-7,660.68-3,160.85

Finding the Fourth Proportional to 5,551.16, 7,660.68 and 3,160.85

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Solution

The fourth proportional to 5,551.16, 7,660.68 and 3,160.85 is: 4,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.16 : 7,660.68 = 3,160.85 : x
  2. Step 2: Convert to fraction form
    5,551.16/7,660.68 = 3,160.85/x
  3. Step 3: Cross multiply
    5,551.16x = 7,660.68 × 3,160.85
  4. Step 4: Simplify right side
    5,551.16x = 24,214,260.38
  5. Step 5: Solve for x
    x = 24,214,260.38/5,551.16
  6. Step 6: Final answer
    x = 4,362.02

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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.