Home / 4,854.62-7,284.95-2,221.70

Finding the Fourth Proportional to 4,854.62, 7,284.95 and 2,221.70

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Solution

The fourth proportional to 4,854.62, 7,284.95 and 2,221.70 is: 3,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.62 : 7,284.95 = 2,221.70 : x
  2. Step 2: Convert to fraction form
    4,854.62/7,284.95 = 2,221.70/x
  3. Step 3: Cross multiply
    4,854.62x = 7,284.95 × 2,221.70
  4. Step 4: Simplify right side
    4,854.62x = 16,184,973.42
  5. Step 5: Solve for x
    x = 16,184,973.42/4,854.62
  6. Step 6: Final answer
    x = 3,333.93

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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.