Home / 10,553.94-15,831.82-2,762.75

Finding the Fourth Proportional to 10,553.94, 15,831.82 and 2,762.75

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Solution

The fourth proportional to 10,553.94, 15,831.82 and 2,762.75 is: 4,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.94 : 15,831.82 = 2,762.75 : x
  2. Step 2: Convert to fraction form
    10,553.94/15,831.82 = 2,762.75/x
  3. Step 3: Cross multiply
    10,553.94x = 15,831.82 × 2,762.75
  4. Step 4: Simplify right side
    10,553.94x = 43,739,360.71
  5. Step 5: Solve for x
    x = 43,739,360.71/10,553.94
  6. Step 6: Final answer
    x = 4,144.36

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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.