Home / 8,337.21-12,505.84-3,406.85

Finding the Fourth Proportional to 8,337.21, 12,505.84 and 3,406.85

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Solution

The fourth proportional to 8,337.21, 12,505.84 and 3,406.85 is: 5,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.21 : 12,505.84 = 3,406.85 : x
  2. Step 2: Convert to fraction form
    8,337.21/12,505.84 = 3,406.85/x
  3. Step 3: Cross multiply
    8,337.21x = 12,505.84 × 3,406.85
  4. Step 4: Simplify right side
    8,337.21x = 42,605,472.71
  5. Step 5: Solve for x
    x = 42,605,472.71/8,337.21
  6. Step 6: Final answer
    x = 5,110.28

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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.