Home / 4,408.42-6,613.25-1,288.65

Finding the Fourth Proportional to 4,408.42, 6,613.25 and 1,288.65

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Solution

The fourth proportional to 4,408.42, 6,613.25 and 1,288.65 is: 1,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.42 : 6,613.25 = 1,288.65 : x
  2. Step 2: Convert to fraction form
    4,408.42/6,613.25 = 1,288.65/x
  3. Step 3: Cross multiply
    4,408.42x = 6,613.25 × 1,288.65
  4. Step 4: Simplify right side
    4,408.42x = 8,522,158.17
  5. Step 5: Solve for x
    x = 8,522,158.17/4,408.42
  6. Step 6: Final answer
    x = 1,933.16

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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.