Home / 4,624.20-6,939.94-2,157.74

Finding the Fourth Proportional to 4,624.20, 6,939.94 and 2,157.74

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Solution

The fourth proportional to 4,624.20, 6,939.94 and 2,157.74 is: 3,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.20 : 6,939.94 = 2,157.74 : x
  2. Step 2: Convert to fraction form
    4,624.20/6,939.94 = 2,157.74/x
  3. Step 3: Cross multiply
    4,624.20x = 6,939.94 × 2,157.74
  4. Step 4: Simplify right side
    4,624.20x = 14,974,586.14
  5. Step 5: Solve for x
    x = 14,974,586.14/4,624.20
  6. Step 6: Final answer
    x = 3,238.31

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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.