Home / 7,519.12-11,259.12-5,186.32

Finding the Fourth Proportional to 7,519.12, 11,259.12 and 5,186.32

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Solution

The fourth proportional to 7,519.12, 11,259.12 and 5,186.32 is: 7,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.12 : 11,259.12 = 5,186.32 : x
  2. Step 2: Convert to fraction form
    7,519.12/11,259.12 = 5,186.32/x
  3. Step 3: Cross multiply
    7,519.12x = 11,259.12 × 5,186.32
  4. Step 4: Simplify right side
    7,519.12x = 58,393,399.24
  5. Step 5: Solve for x
    x = 58,393,399.24/7,519.12
  6. Step 6: Final answer
    x = 7,765.99

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Half scale
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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.