Home / 7,094.28-10,640.48-1,900.56

Finding the Fourth Proportional to 7,094.28, 10,640.48 and 1,900.56

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Solution

The fourth proportional to 7,094.28, 10,640.48 and 1,900.56 is: 2,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.28 : 10,640.48 = 1,900.56 : x
  2. Step 2: Convert to fraction form
    7,094.28/10,640.48 = 1,900.56/x
  3. Step 3: Cross multiply
    7,094.28x = 10,640.48 × 1,900.56
  4. Step 4: Simplify right side
    7,094.28x = 20,222,861.17
  5. Step 5: Solve for x
    x = 20,222,861.17/7,094.28
  6. Step 6: Final answer
    x = 2,850.59

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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.