Home / 8,409.14-12,613.23-2,565.29

Finding the Fourth Proportional to 8,409.14, 12,613.23 and 2,565.29

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Solution

The fourth proportional to 8,409.14, 12,613.23 and 2,565.29 is: 3,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.14 : 12,613.23 = 2,565.29 : x
  2. Step 2: Convert to fraction form
    8,409.14/12,613.23 = 2,565.29/x
  3. Step 3: Cross multiply
    8,409.14x = 12,613.23 × 2,565.29
  4. Step 4: Simplify right side
    8,409.14x = 32,356,529.72
  5. Step 5: Solve for x
    x = 32,356,529.72/8,409.14
  6. Step 6: Final answer
    x = 3,847.78

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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.