Home / 6,831.11-10,246.76-1,900.64

Finding the Fourth Proportional to 6,831.11, 10,246.76 and 1,900.64

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Solution

The fourth proportional to 6,831.11, 10,246.76 and 1,900.64 is: 2,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.11 : 10,246.76 = 1,900.64 : x
  2. Step 2: Convert to fraction form
    6,831.11/10,246.76 = 1,900.64/x
  3. Step 3: Cross multiply
    6,831.11x = 10,246.76 × 1,900.64
  4. Step 4: Simplify right side
    6,831.11x = 19,475,341.19
  5. Step 5: Solve for x
    x = 19,475,341.19/6,831.11
  6. Step 6: Final answer
    x = 2,850.98

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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.