Home / 8,178.26-12,269.37-2,632.13

Finding the Fourth Proportional to 8,178.26, 12,269.37 and 2,632.13

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Solution

The fourth proportional to 8,178.26, 12,269.37 and 2,632.13 is: 3,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.26 : 12,269.37 = 2,632.13 : x
  2. Step 2: Convert to fraction form
    8,178.26/12,269.37 = 2,632.13/x
  3. Step 3: Cross multiply
    8,178.26x = 12,269.37 × 2,632.13
  4. Step 4: Simplify right side
    8,178.26x = 32,294,515.51
  5. Step 5: Solve for x
    x = 32,294,515.51/8,178.26
  6. Step 6: Final answer
    x = 3,948.83

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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.