Home / 8,148.85-12,222.50-2,601.21

Finding the Fourth Proportional to 8,148.85, 12,222.50 and 2,601.21

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Solution

The fourth proportional to 8,148.85, 12,222.50 and 2,601.21 is: 3,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.85 : 12,222.50 = 2,601.21 : x
  2. Step 2: Convert to fraction form
    8,148.85/12,222.50 = 2,601.21/x
  3. Step 3: Cross multiply
    8,148.85x = 12,222.50 × 2,601.21
  4. Step 4: Simplify right side
    8,148.85x = 31,793,322.05
  5. Step 5: Solve for x
    x = 31,793,322.05/8,148.85
  6. Step 6: Final answer
    x = 3,901.57

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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.