Home / 5,204.90-7,806.98-1,309.34

Finding the Fourth Proportional to 5,204.90, 7,806.98 and 1,309.34

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Solution

The fourth proportional to 5,204.90, 7,806.98 and 1,309.34 is: 1,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.90 : 7,806.98 = 1,309.34 : x
  2. Step 2: Convert to fraction form
    5,204.90/7,806.98 = 1,309.34/x
  3. Step 3: Cross multiply
    5,204.90x = 7,806.98 × 1,309.34
  4. Step 4: Simplify right side
    5,204.90x = 10,221,991.19
  5. Step 5: Solve for x
    x = 10,221,991.19/5,204.90
  6. Step 6: Final answer
    x = 1,963.92

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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.