Home / 4,908.32-7,362.60-1,621.70

Finding the Fourth Proportional to 4,908.32, 7,362.60 and 1,621.70

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Solution

The fourth proportional to 4,908.32, 7,362.60 and 1,621.70 is: 2,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.32 : 7,362.60 = 1,621.70 : x
  2. Step 2: Convert to fraction form
    4,908.32/7,362.60 = 1,621.70/x
  3. Step 3: Cross multiply
    4,908.32x = 7,362.60 × 1,621.70
  4. Step 4: Simplify right side
    4,908.32x = 11,939,928.42
  5. Step 5: Solve for x
    x = 11,939,928.42/4,908.32
  6. Step 6: Final answer
    x = 2,432.59

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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.