Home / 8,855.37-13,280.92-2,613.69

Finding the Fourth Proportional to 8,855.37, 13,280.92 and 2,613.69

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Solution

The fourth proportional to 8,855.37, 13,280.92 and 2,613.69 is: 3,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.37 : 13,280.92 = 2,613.69 : x
  2. Step 2: Convert to fraction form
    8,855.37/13,280.92 = 2,613.69/x
  3. Step 3: Cross multiply
    8,855.37x = 13,280.92 × 2,613.69
  4. Step 4: Simplify right side
    8,855.37x = 34,712,207.79
  5. Step 5: Solve for x
    x = 34,712,207.79/8,855.37
  6. Step 6: Final answer
    x = 3,919.90

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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.