Home / 10,083.38-15,130.53-4,889.25

Finding the Fourth Proportional to 10,083.38, 15,130.53 and 4,889.25

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Solution

The fourth proportional to 10,083.38, 15,130.53 and 4,889.25 is: 7,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.38 : 15,130.53 = 4,889.25 : x
  2. Step 2: Convert to fraction form
    10,083.38/15,130.53 = 4,889.25/x
  3. Step 3: Cross multiply
    10,083.38x = 15,130.53 × 4,889.25
  4. Step 4: Simplify right side
    10,083.38x = 73,976,943.80
  5. Step 5: Solve for x
    x = 73,976,943.80/10,083.38
  6. Step 6: Final answer
    x = 7,336.53

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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.