Home / 4,612.31-6,920.50-2,420.53

Finding the Fourth Proportional to 4,612.31, 6,920.50 and 2,420.53

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Solution

The fourth proportional to 4,612.31, 6,920.50 and 2,420.53 is: 3,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.31 : 6,920.50 = 2,420.53 : x
  2. Step 2: Convert to fraction form
    4,612.31/6,920.50 = 2,420.53/x
  3. Step 3: Cross multiply
    4,612.31x = 6,920.50 × 2,420.53
  4. Step 4: Simplify right side
    4,612.31x = 16,751,297.98
  5. Step 5: Solve for x
    x = 16,751,297.98/4,612.31
  6. Step 6: Final answer
    x = 3,631.86

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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.