Home / 6,831.05-10,246.61-1,901.05

Finding the Fourth Proportional to 6,831.05, 10,246.61 and 1,901.05

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Solution

The fourth proportional to 6,831.05, 10,246.61 and 1,901.05 is: 2,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.05 : 10,246.61 = 1,901.05 : x
  2. Step 2: Convert to fraction form
    6,831.05/10,246.61 = 1,901.05/x
  3. Step 3: Cross multiply
    6,831.05x = 10,246.61 × 1,901.05
  4. Step 4: Simplify right side
    6,831.05x = 19,479,297.08
  5. Step 5: Solve for x
    x = 19,479,297.08/6,831.05
  6. Step 6: Final answer
    x = 2,851.58

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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.