Home / 4,747.71-7,125.94-2,409.36

Finding the Fourth Proportional to 4,747.71, 7,125.94 and 2,409.36

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Solution

The fourth proportional to 4,747.71, 7,125.94 and 2,409.36 is: 3,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.71 : 7,125.94 = 2,409.36 : x
  2. Step 2: Convert to fraction form
    4,747.71/7,125.94 = 2,409.36/x
  3. Step 3: Cross multiply
    4,747.71x = 7,125.94 × 2,409.36
  4. Step 4: Simplify right side
    4,747.71x = 17,168,954.80
  5. Step 5: Solve for x
    x = 17,168,954.80/4,747.71
  6. Step 6: Final answer
    x = 3,616.26

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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.