Home / 6,831.37-10,246.15-2,151.40

Finding the Fourth Proportional to 6,831.37, 10,246.15 and 2,151.40

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Solution

The fourth proportional to 6,831.37, 10,246.15 and 2,151.40 is: 3,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.37 : 10,246.15 = 2,151.40 : x
  2. Step 2: Convert to fraction form
    6,831.37/10,246.15 = 2,151.40/x
  3. Step 3: Cross multiply
    6,831.37x = 10,246.15 × 2,151.40
  4. Step 4: Simplify right side
    6,831.37x = 22,043,567.11
  5. Step 5: Solve for x
    x = 22,043,567.11/6,831.37
  6. Step 6: Final answer
    x = 3,226.82

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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.