Home / 5,030.64-6,942.38-2,792.61

Finding the Fourth Proportional to 5,030.64, 6,942.38 and 2,792.61

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Solution

The fourth proportional to 5,030.64, 6,942.38 and 2,792.61 is: 3,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.64 : 6,942.38 = 2,792.61 : x
  2. Step 2: Convert to fraction form
    5,030.64/6,942.38 = 2,792.61/x
  3. Step 3: Cross multiply
    5,030.64x = 6,942.38 × 2,792.61
  4. Step 4: Simplify right side
    5,030.64x = 19,387,345.85
  5. Step 5: Solve for x
    x = 19,387,345.85/5,030.64
  6. Step 6: Final answer
    x = 3,853.85

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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.