Home / 5,104.49-7,651.88-1,639.31

Finding the Fourth Proportional to 5,104.49, 7,651.88 and 1,639.31

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Solution

The fourth proportional to 5,104.49, 7,651.88 and 1,639.31 is: 2,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.49 : 7,651.88 = 1,639.31 : x
  2. Step 2: Convert to fraction form
    5,104.49/7,651.88 = 1,639.31/x
  3. Step 3: Cross multiply
    5,104.49x = 7,651.88 × 1,639.31
  4. Step 4: Simplify right side
    5,104.49x = 12,543,820.48
  5. Step 5: Solve for x
    x = 12,543,820.48/5,104.49
  6. Step 6: Final answer
    x = 2,457.41

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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.