Home / 6,938.76-10,407.36-1,744.62

Finding the Fourth Proportional to 6,938.76, 10,407.36 and 1,744.62

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Solution

The fourth proportional to 6,938.76, 10,407.36 and 1,744.62 is: 2,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.76 : 10,407.36 = 1,744.62 : x
  2. Step 2: Convert to fraction form
    6,938.76/10,407.36 = 1,744.62/x
  3. Step 3: Cross multiply
    6,938.76x = 10,407.36 × 1,744.62
  4. Step 4: Simplify right side
    6,938.76x = 18,156,888.40
  5. Step 5: Solve for x
    x = 18,156,888.40/6,938.76
  6. Step 6: Final answer
    x = 2,616.73

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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.