Home / 7,963.23-11,938.36-3,280.62

Finding the Fourth Proportional to 7,963.23, 11,938.36 and 3,280.62

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Solution

The fourth proportional to 7,963.23, 11,938.36 and 3,280.62 is: 4,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.23 : 11,938.36 = 3,280.62 : x
  2. Step 2: Convert to fraction form
    7,963.23/11,938.36 = 3,280.62/x
  3. Step 3: Cross multiply
    7,963.23x = 11,938.36 × 3,280.62
  4. Step 4: Simplify right side
    7,963.23x = 39,165,154.69
  5. Step 5: Solve for x
    x = 39,165,154.69/7,963.23
  6. Step 6: Final answer
    x = 4,918.25

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1.5x scale

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.