Home / 7,278.22-10,918.72-2,346.53

Finding the Fourth Proportional to 7,278.22, 10,918.72 and 2,346.53

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Solution

The fourth proportional to 7,278.22, 10,918.72 and 2,346.53 is: 3,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.22 : 10,918.72 = 2,346.53 : x
  2. Step 2: Convert to fraction form
    7,278.22/10,918.72 = 2,346.53/x
  3. Step 3: Cross multiply
    7,278.22x = 10,918.72 × 2,346.53
  4. Step 4: Simplify right side
    7,278.22x = 25,621,104.04
  5. Step 5: Solve for x
    x = 25,621,104.04/7,278.22
  6. Step 6: Final answer
    x = 3,520.25

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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.