Home / 7,217.92-10,827.46-2,221.40

Finding the Fourth Proportional to 7,217.92, 10,827.46 and 2,221.40

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Solution

The fourth proportional to 7,217.92, 10,827.46 and 2,221.40 is: 3,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.92 : 10,827.46 = 2,221.40 : x
  2. Step 2: Convert to fraction form
    7,217.92/10,827.46 = 2,221.40/x
  3. Step 3: Cross multiply
    7,217.92x = 10,827.46 × 2,221.40
  4. Step 4: Simplify right side
    7,217.92x = 24,052,119.64
  5. Step 5: Solve for x
    x = 24,052,119.64/7,217.92
  6. Step 6: Final answer
    x = 3,332.28

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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.