Home / 5,030.20-6,942.11-2,792.68

Finding the Fourth Proportional to 5,030.20, 6,942.11 and 2,792.68

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Solution

The fourth proportional to 5,030.20, 6,942.11 and 2,792.68 is: 3,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.20 : 6,942.11 = 2,792.68 : x
  2. Step 2: Convert to fraction form
    5,030.20/6,942.11 = 2,792.68/x
  3. Step 3: Cross multiply
    5,030.20x = 6,942.11 × 2,792.68
  4. Step 4: Simplify right side
    5,030.20x = 19,387,060.44
  5. Step 5: Solve for x
    x = 19,387,060.44/5,030.20
  6. Step 6: Final answer
    x = 3,854.13

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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.