Home / 8,259.42-12,389.51-2,336.75

Finding the Fourth Proportional to 8,259.42, 12,389.51 and 2,336.75

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Solution

The fourth proportional to 8,259.42, 12,389.51 and 2,336.75 is: 3,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.42 : 12,389.51 = 2,336.75 : x
  2. Step 2: Convert to fraction form
    8,259.42/12,389.51 = 2,336.75/x
  3. Step 3: Cross multiply
    8,259.42x = 12,389.51 × 2,336.75
  4. Step 4: Simplify right side
    8,259.42x = 28,951,164.70
  5. Step 5: Solve for x
    x = 28,951,164.70/8,259.42
  6. Step 6: Final answer
    x = 3,505.23

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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.