Home / 5,306.49-7,960.91-2,019.60

Finding the Fourth Proportional to 5,306.49, 7,960.91 and 2,019.60

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Solution

The fourth proportional to 5,306.49, 7,960.91 and 2,019.60 is: 3,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.49 : 7,960.91 = 2,019.60 : x
  2. Step 2: Convert to fraction form
    5,306.49/7,960.91 = 2,019.60/x
  3. Step 3: Cross multiply
    5,306.49x = 7,960.91 × 2,019.60
  4. Step 4: Simplify right side
    5,306.49x = 16,077,843.74
  5. Step 5: Solve for x
    x = 16,077,843.74/5,306.49
  6. Step 6: Final answer
    x = 3,029.85

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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.