Home / 4,449.72-6,135.84-3,123

Finding the Fourth Proportional to 4,449.72, 6,135.84 and 3,123

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Solution

The fourth proportional to 4,449.72, 6,135.84 and 3,123 is: 4,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.72 : 6,135.84 = 3,123 : x
  2. Step 2: Convert to fraction form
    4,449.72/6,135.84 = 3,123/x
  3. Step 3: Cross multiply
    4,449.72x = 6,135.84 × 3,123
  4. Step 4: Simplify right side
    4,449.72x = 19,162,228.32
  5. Step 5: Solve for x
    x = 19,162,228.32/4,449.72
  6. Step 6: Final answer
    x = 4,306.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.