Home / 5,152.65-7,723.57-2,684.85

Finding the Fourth Proportional to 5,152.65, 7,723.57 and 2,684.85

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Solution

The fourth proportional to 5,152.65, 7,723.57 and 2,684.85 is: 4,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.65 : 7,723.57 = 2,684.85 : x
  2. Step 2: Convert to fraction form
    5,152.65/7,723.57 = 2,684.85/x
  3. Step 3: Cross multiply
    5,152.65x = 7,723.57 × 2,684.85
  4. Step 4: Simplify right side
    5,152.65x = 20,736,626.91
  5. Step 5: Solve for x
    x = 20,736,626.91/5,152.65
  6. Step 6: Final answer
    x = 4,024.46

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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.