Home / 4,618.80-6,372-2,940.12

Finding the Fourth Proportional to 4,618.80, 6,372 and 2,940.12

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Solution

The fourth proportional to 4,618.80, 6,372 and 2,940.12 is: 4,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.80 : 6,372 = 2,940.12 : x
  2. Step 2: Convert to fraction form
    4,618.80/6,372 = 2,940.12/x
  3. Step 3: Cross multiply
    4,618.80x = 6,372 × 2,940.12
  4. Step 4: Simplify right side
    4,618.80x = 18,734,444.64
  5. Step 5: Solve for x
    x = 18,734,444.64/4,618.80
  6. Step 6: Final answer
    x = 4,056.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.