Home / 4,908.60-7,362.15-1,621.70

Finding the Fourth Proportional to 4,908.60, 7,362.15 and 1,621.70

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Solution

The fourth proportional to 4,908.60, 7,362.15 and 1,621.70 is: 2,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.60 : 7,362.15 = 1,621.70 : x
  2. Step 2: Convert to fraction form
    4,908.60/7,362.15 = 1,621.70/x
  3. Step 3: Cross multiply
    4,908.60x = 7,362.15 × 1,621.70
  4. Step 4: Simplify right side
    4,908.60x = 11,939,198.66
  5. Step 5: Solve for x
    x = 11,939,198.66/4,908.60
  6. Step 6: Final answer
    x = 2,432.30

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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.