Home / 8,626.22-12,939.33-2,782.83

Finding the Fourth Proportional to 8,626.22, 12,939.33 and 2,782.83

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Solution

The fourth proportional to 8,626.22, 12,939.33 and 2,782.83 is: 4,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.22 : 12,939.33 = 2,782.83 : x
  2. Step 2: Convert to fraction form
    8,626.22/12,939.33 = 2,782.83/x
  3. Step 3: Cross multiply
    8,626.22x = 12,939.33 × 2,782.83
  4. Step 4: Simplify right side
    8,626.22x = 36,007,955.70
  5. Step 5: Solve for x
    x = 36,007,955.70/8,626.22
  6. Step 6: Final answer
    x = 4,174.24

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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.