Home / 4,719.41-6,511.12-2,831.60

Finding the Fourth Proportional to 4,719.41, 6,511.12 and 2,831.60

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Solution

The fourth proportional to 4,719.41, 6,511.12 and 2,831.60 is: 3,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.41 : 6,511.12 = 2,831.60 : x
  2. Step 2: Convert to fraction form
    4,719.41/6,511.12 = 2,831.60/x
  3. Step 3: Cross multiply
    4,719.41x = 6,511.12 × 2,831.60
  4. Step 4: Simplify right side
    4,719.41x = 18,436,887.39
  5. Step 5: Solve for x
    x = 18,436,887.39/4,719.41
  6. Step 6: Final answer
    x = 3,906.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.