Home / 8,311.26-12,459.20-4,361.70

Finding the Fourth Proportional to 8,311.26, 12,459.20 and 4,361.70

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Solution

The fourth proportional to 8,311.26, 12,459.20 and 4,361.70 is: 6,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.26 : 12,459.20 = 4,361.70 : x
  2. Step 2: Convert to fraction form
    8,311.26/12,459.20 = 4,361.70/x
  3. Step 3: Cross multiply
    8,311.26x = 12,459.20 × 4,361.70
  4. Step 4: Simplify right side
    8,311.26x = 54,343,270.83
  5. Step 5: Solve for x
    x = 54,343,270.83/8,311.26
  6. Step 6: Final answer
    x = 6,538.51

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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.