Home / 8,222.11-11,346.65-4,685.38

Finding the Fourth Proportional to 8,222.11, 11,346.65 and 4,685.38

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Solution

The fourth proportional to 8,222.11, 11,346.65 and 4,685.38 is: 6,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.11 : 11,346.65 = 4,685.38 : x
  2. Step 2: Convert to fraction form
    8,222.11/11,346.65 = 4,685.38/x
  3. Step 3: Cross multiply
    8,222.11x = 11,346.65 × 4,685.38
  4. Step 4: Simplify right side
    8,222.11x = 53,163,332.75
  5. Step 5: Solve for x
    x = 53,163,332.75/8,222.11
  6. Step 6: Final answer
    x = 6,465.90

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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.