Home / 4,818.90-7,228.24-2,221.84

Finding the Fourth Proportional to 4,818.90, 7,228.24 and 2,221.84

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Solution

The fourth proportional to 4,818.90, 7,228.24 and 2,221.84 is: 3,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.90 : 7,228.24 = 2,221.84 : x
  2. Step 2: Convert to fraction form
    4,818.90/7,228.24 = 2,221.84/x
  3. Step 3: Cross multiply
    4,818.90x = 7,228.24 × 2,221.84
  4. Step 4: Simplify right side
    4,818.90x = 16,059,955.58
  5. Step 5: Solve for x
    x = 16,059,955.58/4,818.90
  6. Step 6: Final answer
    x = 3,332.70

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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.