Home / 4,269.20-6,392.88-2,620.76

Finding the Fourth Proportional to 4,269.20, 6,392.88 and 2,620.76

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Solution

The fourth proportional to 4,269.20, 6,392.88 and 2,620.76 is: 3,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.20 : 6,392.88 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    4,269.20/6,392.88 = 2,620.76/x
  3. Step 3: Cross multiply
    4,269.20x = 6,392.88 × 2,620.76
  4. Step 4: Simplify right side
    4,269.20x = 16,754,204.19
  5. Step 5: Solve for x
    x = 16,754,204.19/4,269.20
  6. Step 6: Final answer
    x = 3,924.44

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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.