Home / 7,250.81-10,878.33-2,320.34

Finding the Fourth Proportional to 7,250.81, 10,878.33 and 2,320.34

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Solution

The fourth proportional to 7,250.81, 10,878.33 and 2,320.34 is: 3,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.81 : 10,878.33 = 2,320.34 : x
  2. Step 2: Convert to fraction form
    7,250.81/10,878.33 = 2,320.34/x
  3. Step 3: Cross multiply
    7,250.81x = 10,878.33 × 2,320.34
  4. Step 4: Simplify right side
    7,250.81x = 25,241,369.84
  5. Step 5: Solve for x
    x = 25,241,369.84/7,250.81
  6. Step 6: Final answer
    x = 3,481.18

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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.