Home / 4,818.83-7,228.14-2,221.77

Finding the Fourth Proportional to 4,818.83, 7,228.14 and 2,221.77

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Solution

The fourth proportional to 4,818.83, 7,228.14 and 2,221.77 is: 3,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.83 : 7,228.14 = 2,221.77 : x
  2. Step 2: Convert to fraction form
    4,818.83/7,228.14 = 2,221.77/x
  3. Step 3: Cross multiply
    4,818.83x = 7,228.14 × 2,221.77
  4. Step 4: Simplify right side
    4,818.83x = 16,059,217.36
  5. Step 5: Solve for x
    x = 16,059,217.36/4,818.83
  6. Step 6: Final answer
    x = 3,332.60

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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.