Home / 4,454.42-6,140.68-3,123.99

Finding the Fourth Proportional to 4,454.42, 6,140.68 and 3,123.99

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Solution

The fourth proportional to 4,454.42, 6,140.68 and 3,123.99 is: 4,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.42 : 6,140.68 = 3,123.99 : x
  2. Step 2: Convert to fraction form
    4,454.42/6,140.68 = 3,123.99/x
  3. Step 3: Cross multiply
    4,454.42x = 6,140.68 × 3,123.99
  4. Step 4: Simplify right side
    4,454.42x = 19,183,415.10
  5. Step 5: Solve for x
    x = 19,183,415.10/4,454.42
  6. Step 6: Final answer
    x = 4,306.61

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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.