Home / 7,476.82-11,210.55-3,316.66

Finding the Fourth Proportional to 7,476.82, 11,210.55 and 3,316.66

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Solution

The fourth proportional to 7,476.82, 11,210.55 and 3,316.66 is: 4,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.82 : 11,210.55 = 3,316.66 : x
  2. Step 2: Convert to fraction form
    7,476.82/11,210.55 = 3,316.66/x
  3. Step 3: Cross multiply
    7,476.82x = 11,210.55 × 3,316.66
  4. Step 4: Simplify right side
    7,476.82x = 37,181,582.76
  5. Step 5: Solve for x
    x = 37,181,582.76/7,476.82
  6. Step 6: Final answer
    x = 4,972.91

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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.