Home / 7,639.97-10,549.43-4,811.90

Finding the Fourth Proportional to 7,639.97, 10,549.43 and 4,811.90

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Solution

The fourth proportional to 7,639.97, 10,549.43 and 4,811.90 is: 6,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.97 : 10,549.43 = 4,811.90 : x
  2. Step 2: Convert to fraction form
    7,639.97/10,549.43 = 4,811.90/x
  3. Step 3: Cross multiply
    7,639.97x = 10,549.43 × 4,811.90
  4. Step 4: Simplify right side
    7,639.97x = 50,762,725.41
  5. Step 5: Solve for x
    x = 50,762,725.41/7,639.97
  6. Step 6: Final answer
    x = 6,644.37

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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.