Home / 4,574.64-6,861.79-1,940.45

Finding the Fourth Proportional to 4,574.64, 6,861.79 and 1,940.45

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Solution

The fourth proportional to 4,574.64, 6,861.79 and 1,940.45 is: 2,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.64 : 6,861.79 = 1,940.45 : x
  2. Step 2: Convert to fraction form
    4,574.64/6,861.79 = 1,940.45/x
  3. Step 3: Cross multiply
    4,574.64x = 6,861.79 × 1,940.45
  4. Step 4: Simplify right side
    4,574.64x = 13,314,960.41
  5. Step 5: Solve for x
    x = 13,314,960.41/4,574.64
  6. Step 6: Final answer
    x = 2,910.60

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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.