Home / 7,214.11-10,826.30-2,831.57

Finding the Fourth Proportional to 7,214.11, 10,826.30 and 2,831.57

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Solution

The fourth proportional to 7,214.11, 10,826.30 and 2,831.57 is: 4,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.11 : 10,826.30 = 2,831.57 : x
  2. Step 2: Convert to fraction form
    7,214.11/10,826.30 = 2,831.57/x
  3. Step 3: Cross multiply
    7,214.11x = 10,826.30 × 2,831.57
  4. Step 4: Simplify right side
    7,214.11x = 30,655,426.29
  5. Step 5: Solve for x
    x = 30,655,426.29/7,214.11
  6. Step 6: Final answer
    x = 4,249.37

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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.