Home / 5,225.92-7,840.23-1,939.96

Finding the Fourth Proportional to 5,225.92, 7,840.23 and 1,939.96

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Solution

The fourth proportional to 5,225.92, 7,840.23 and 1,939.96 is: 2,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.92 : 7,840.23 = 1,939.96 : x
  2. Step 2: Convert to fraction form
    5,225.92/7,840.23 = 1,939.96/x
  3. Step 3: Cross multiply
    5,225.92x = 7,840.23 × 1,939.96
  4. Step 4: Simplify right side
    5,225.92x = 15,209,732.59
  5. Step 5: Solve for x
    x = 15,209,732.59/5,225.92
  6. Step 6: Final answer
    x = 2,910.44

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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.