Home / 7,135.52-10,703.07-3,190.41

Finding the Fourth Proportional to 7,135.52, 10,703.07 and 3,190.41

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Solution

The fourth proportional to 7,135.52, 10,703.07 and 3,190.41 is: 4,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.52 : 10,703.07 = 3,190.41 : x
  2. Step 2: Convert to fraction form
    7,135.52/10,703.07 = 3,190.41/x
  3. Step 3: Cross multiply
    7,135.52x = 10,703.07 × 3,190.41
  4. Step 4: Simplify right side
    7,135.52x = 34,147,181.56
  5. Step 5: Solve for x
    x = 34,147,181.56/7,135.52
  6. Step 6: Final answer
    x = 4,785.52

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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.