Home / 6,831.86-10,248.15-2,214.50

Finding the Fourth Proportional to 6,831.86, 10,248.15 and 2,214.50

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Solution

The fourth proportional to 6,831.86, 10,248.15 and 2,214.50 is: 3,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.86 : 10,248.15 = 2,214.50 : x
  2. Step 2: Convert to fraction form
    6,831.86/10,248.15 = 2,214.50/x
  3. Step 3: Cross multiply
    6,831.86x = 10,248.15 × 2,214.50
  4. Step 4: Simplify right side
    6,831.86x = 22,694,528.18
  5. Step 5: Solve for x
    x = 22,694,528.18/6,831.86
  6. Step 6: Final answer
    x = 3,321.87

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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.