Home / 5,225.77-7,834.83-1,938.88

Finding the Fourth Proportional to 5,225.77, 7,834.83 and 1,938.88

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Solution

The fourth proportional to 5,225.77, 7,834.83 and 1,938.88 is: 2,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.77 : 7,834.83 = 1,938.88 : x
  2. Step 2: Convert to fraction form
    5,225.77/7,834.83 = 1,938.88/x
  3. Step 3: Cross multiply
    5,225.77x = 7,834.83 × 1,938.88
  4. Step 4: Simplify right side
    5,225.77x = 15,190,795.19
  5. Step 5: Solve for x
    x = 15,190,795.19/5,225.77
  6. Step 6: Final answer
    x = 2,906.90

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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.