Home / 5,270.18-7,908.43-2,107.05

Finding the Fourth Proportional to 5,270.18, 7,908.43 and 2,107.05

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Solution

The fourth proportional to 5,270.18, 7,908.43 and 2,107.05 is: 3,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.18 : 7,908.43 = 2,107.05 : x
  2. Step 2: Convert to fraction form
    5,270.18/7,908.43 = 2,107.05/x
  3. Step 3: Cross multiply
    5,270.18x = 7,908.43 × 2,107.05
  4. Step 4: Simplify right side
    5,270.18x = 16,663,446.90
  5. Step 5: Solve for x
    x = 16,663,446.90/5,270.18
  6. Step 6: Final answer
    x = 3,161.84

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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.