Home / 6,831.09-10,245.48-1,901.22

Finding the Fourth Proportional to 6,831.09, 10,245.48 and 1,901.22

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Solution

The fourth proportional to 6,831.09, 10,245.48 and 1,901.22 is: 2,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.09 : 10,245.48 = 1,901.22 : x
  2. Step 2: Convert to fraction form
    6,831.09/10,245.48 = 1,901.22/x
  3. Step 3: Cross multiply
    6,831.09x = 10,245.48 × 1,901.22
  4. Step 4: Simplify right side
    6,831.09x = 19,478,911.49
  5. Step 5: Solve for x
    x = 19,478,911.49/6,831.09
  6. Step 6: Final answer
    x = 2,851.51

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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.