Home / 6,831.09-10,247.36-2,151.25

Finding the Fourth Proportional to 6,831.09, 10,247.36 and 2,151.25

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Solution

The fourth proportional to 6,831.09, 10,247.36 and 2,151.25 is: 3,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.09 : 10,247.36 = 2,151.25 : x
  2. Step 2: Convert to fraction form
    6,831.09/10,247.36 = 2,151.25/x
  3. Step 3: Cross multiply
    6,831.09x = 10,247.36 × 2,151.25
  4. Step 4: Simplify right side
    6,831.09x = 22,044,633.20
  5. Step 5: Solve for x
    x = 22,044,633.20/6,831.09
  6. Step 6: Final answer
    x = 3,227.10

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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.