Home / 4,927.20-7,392.83-1,808.70

Finding the Fourth Proportional to 4,927.20, 7,392.83 and 1,808.70

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Solution

The fourth proportional to 4,927.20, 7,392.83 and 1,808.70 is: 2,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.20 : 7,392.83 = 1,808.70 : x
  2. Step 2: Convert to fraction form
    4,927.20/7,392.83 = 1,808.70/x
  3. Step 3: Cross multiply
    4,927.20x = 7,392.83 × 1,808.70
  4. Step 4: Simplify right side
    4,927.20x = 13,371,402.58
  5. Step 5: Solve for x
    x = 13,371,402.58/4,927.20
  6. Step 6: Final answer
    x = 2,713.79

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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.