Home / 5,030.80-6,949.28-3,866.43

Finding the Fourth Proportional to 5,030.80, 6,949.28 and 3,866.43

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Solution

The fourth proportional to 5,030.80, 6,949.28 and 3,866.43 is: 5,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.80 : 6,949.28 = 3,866.43 : x
  2. Step 2: Convert to fraction form
    5,030.80/6,949.28 = 3,866.43/x
  3. Step 3: Cross multiply
    5,030.80x = 6,949.28 × 3,866.43
  4. Step 4: Simplify right side
    5,030.80x = 26,868,904.67
  5. Step 5: Solve for x
    x = 26,868,904.67/5,030.80
  6. Step 6: Final answer
    x = 5,340.88

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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.