Home / 7,180.81-10,770.59-2,500.02

Finding the Fourth Proportional to 7,180.81, 10,770.59 and 2,500.02

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Solution

The fourth proportional to 7,180.81, 10,770.59 and 2,500.02 is: 3,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.81 : 10,770.59 = 2,500.02 : x
  2. Step 2: Convert to fraction form
    7,180.81/10,770.59 = 2,500.02/x
  3. Step 3: Cross multiply
    7,180.81x = 10,770.59 × 2,500.02
  4. Step 4: Simplify right side
    7,180.81x = 26,926,696.66
  5. Step 5: Solve for x
    x = 26,926,696.66/7,180.81
  6. Step 6: Final answer
    x = 3,749.81

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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.