Home / 7,488.32-11,245.01-7,190.33

Finding the Fourth Proportional to 7,488.32, 11,245.01 and 7,190.33

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Solution

The fourth proportional to 7,488.32, 11,245.01 and 7,190.33 is: 10,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.32 : 11,245.01 = 7,190.33 : x
  2. Step 2: Convert to fraction form
    7,488.32/11,245.01 = 7,190.33/x
  3. Step 3: Cross multiply
    7,488.32x = 11,245.01 × 7,190.33
  4. Step 4: Simplify right side
    7,488.32x = 80,855,240.58
  5. Step 5: Solve for x
    x = 80,855,240.58/7,488.32
  6. Step 6: Final answer
    x = 10,797.52

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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.