Home / 5,036.12-6,949.80-2,798

Finding the Fourth Proportional to 5,036.12, 6,949.80 and 2,798

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Solution

The fourth proportional to 5,036.12, 6,949.80 and 2,798 is: 3,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.12 : 6,949.80 = 2,798 : x
  2. Step 2: Convert to fraction form
    5,036.12/6,949.80 = 2,798/x
  3. Step 3: Cross multiply
    5,036.12x = 6,949.80 × 2,798
  4. Step 4: Simplify right side
    5,036.12x = 19,445,540.40
  5. Step 5: Solve for x
    x = 19,445,540.40/5,036.12
  6. Step 6: Final answer
    x = 3,861.21

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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.