Home / 5,210.14-7,815.18-2,613.04

Finding the Fourth Proportional to 5,210.14, 7,815.18 and 2,613.04

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Solution

The fourth proportional to 5,210.14, 7,815.18 and 2,613.04 is: 3,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.14 : 7,815.18 = 2,613.04 : x
  2. Step 2: Convert to fraction form
    5,210.14/7,815.18 = 2,613.04/x
  3. Step 3: Cross multiply
    5,210.14x = 7,815.18 × 2,613.04
  4. Step 4: Simplify right side
    5,210.14x = 20,421,377.95
  5. Step 5: Solve for x
    x = 20,421,377.95/5,210.14
  6. Step 6: Final answer
    x = 3,919.54

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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.