Home / 7,227.81-10,816.20-4,455.18

Finding the Fourth Proportional to 7,227.81, 10,816.20 and 4,455.18

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Solution

The fourth proportional to 7,227.81, 10,816.20 and 4,455.18 is: 6,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.81 : 10,816.20 = 4,455.18 : x
  2. Step 2: Convert to fraction form
    7,227.81/10,816.20 = 4,455.18/x
  3. Step 3: Cross multiply
    7,227.81x = 10,816.20 × 4,455.18
  4. Step 4: Simplify right side
    7,227.81x = 48,188,117.92
  5. Step 5: Solve for x
    x = 48,188,117.92/7,227.81
  6. Step 6: Final answer
    x = 6,667.04

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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.