Home / 5,071.10-7,607.73-2,150.78

Finding the Fourth Proportional to 5,071.10, 7,607.73 and 2,150.78

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Solution

The fourth proportional to 5,071.10, 7,607.73 and 2,150.78 is: 3,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.10 : 7,607.73 = 2,150.78 : x
  2. Step 2: Convert to fraction form
    5,071.10/7,607.73 = 2,150.78/x
  3. Step 3: Cross multiply
    5,071.10x = 7,607.73 × 2,150.78
  4. Step 4: Simplify right side
    5,071.10x = 16,362,553.53
  5. Step 5: Solve for x
    x = 16,362,553.53/5,071.10
  6. Step 6: Final answer
    x = 3,226.63

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1.5x scale

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.