Home / 5,152.46-7,727.79-2,378.89

Finding the Fourth Proportional to 5,152.46, 7,727.79 and 2,378.89

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Solution

The fourth proportional to 5,152.46, 7,727.79 and 2,378.89 is: 3,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.46 : 7,727.79 = 2,378.89 : x
  2. Step 2: Convert to fraction form
    5,152.46/7,727.79 = 2,378.89/x
  3. Step 3: Cross multiply
    5,152.46x = 7,727.79 × 2,378.89
  4. Step 4: Simplify right side
    5,152.46x = 18,383,563.09
  5. Step 5: Solve for x
    x = 18,383,563.09/5,152.46
  6. Step 6: Final answer
    x = 3,567.92

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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.