Home / 7,849.72-10,831.46-4,492

Finding the Fourth Proportional to 7,849.72, 10,831.46 and 4,492

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Solution

The fourth proportional to 7,849.72, 10,831.46 and 4,492 is: 6,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.72 : 10,831.46 = 4,492 : x
  2. Step 2: Convert to fraction form
    7,849.72/10,831.46 = 4,492/x
  3. Step 3: Cross multiply
    7,849.72x = 10,831.46 × 4,492
  4. Step 4: Simplify right side
    7,849.72x = 48,654,918.32
  5. Step 5: Solve for x
    x = 48,654,918.32/7,849.72
  6. Step 6: Final answer
    x = 6,198.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.