Home / 7,555.96-11,335.32-3,112.84

Finding the Fourth Proportional to 7,555.96, 11,335.32 and 3,112.84

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Solution

The fourth proportional to 7,555.96, 11,335.32 and 3,112.84 is: 4,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.96 : 11,335.32 = 3,112.84 : x
  2. Step 2: Convert to fraction form
    7,555.96/11,335.32 = 3,112.84/x
  3. Step 3: Cross multiply
    7,555.96x = 11,335.32 × 3,112.84
  4. Step 4: Simplify right side
    7,555.96x = 35,285,037.51
  5. Step 5: Solve for x
    x = 35,285,037.51/7,555.96
  6. Step 6: Final answer
    x = 4,669.83

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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.