Home / 4,905.20-7,357.80-2,956.95

Finding the Fourth Proportional to 4,905.20, 7,357.80 and 2,956.95

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Solution

The fourth proportional to 4,905.20, 7,357.80 and 2,956.95 is: 4,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.20 : 7,357.80 = 2,956.95 : x
  2. Step 2: Convert to fraction form
    4,905.20/7,357.80 = 2,956.95/x
  3. Step 3: Cross multiply
    4,905.20x = 7,357.80 × 2,956.95
  4. Step 4: Simplify right side
    4,905.20x = 21,756,646.71
  5. Step 5: Solve for x
    x = 21,756,646.71/4,905.20
  6. Step 6: Final answer
    x = 4,435.43

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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.