Home / 6,831.18-10,255.14-3,872.16

Finding the Fourth Proportional to 6,831.18, 10,255.14 and 3,872.16

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Solution

The fourth proportional to 6,831.18, 10,255.14 and 3,872.16 is: 5,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.18 : 10,255.14 = 3,872.16 : x
  2. Step 2: Convert to fraction form
    6,831.18/10,255.14 = 3,872.16/x
  3. Step 3: Cross multiply
    6,831.18x = 10,255.14 × 3,872.16
  4. Step 4: Simplify right side
    6,831.18x = 39,709,542.90
  5. Step 5: Solve for x
    x = 39,709,542.90/6,831.18
  6. Step 6: Final answer
    x = 5,812.98

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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.