Home / 7,575.22-11,364.74-7,449.66

Finding the Fourth Proportional to 7,575.22, 11,364.74 and 7,449.66

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Solution

The fourth proportional to 7,575.22, 11,364.74 and 7,449.66 is: 11,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.22 : 11,364.74 = 7,449.66 : x
  2. Step 2: Convert to fraction form
    7,575.22/11,364.74 = 7,449.66/x
  3. Step 3: Cross multiply
    7,575.22x = 11,364.74 × 7,449.66
  4. Step 4: Simplify right side
    7,575.22x = 84,663,448.99
  5. Step 5: Solve for x
    x = 84,663,448.99/7,575.22
  6. Step 6: Final answer
    x = 11,176.37

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Half scale
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Double 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.