Home / 7,308.49-10,962.87-2,378.11

Finding the Fourth Proportional to 7,308.49, 10,962.87 and 2,378.11

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Solution

The fourth proportional to 7,308.49, 10,962.87 and 2,378.11 is: 3,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.49 : 10,962.87 = 2,378.11 : x
  2. Step 2: Convert to fraction form
    7,308.49/10,962.87 = 2,378.11/x
  3. Step 3: Cross multiply
    7,308.49x = 10,962.87 × 2,378.11
  4. Step 4: Simplify right side
    7,308.49x = 26,070,910.78
  5. Step 5: Solve for x
    x = 26,070,910.78/7,308.49
  6. Step 6: Final answer
    x = 3,567.21

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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.