Home / 5,256.12-7,253.28-2,898.36

Finding the Fourth Proportional to 5,256.12, 7,253.28 and 2,898.36

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Solution

The fourth proportional to 5,256.12, 7,253.28 and 2,898.36 is: 3,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.12 : 7,253.28 = 2,898.36 : x
  2. Step 2: Convert to fraction form
    5,256.12/7,253.28 = 2,898.36/x
  3. Step 3: Cross multiply
    5,256.12x = 7,253.28 × 2,898.36
  4. Step 4: Simplify right side
    5,256.12x = 21,022,616.62
  5. Step 5: Solve for x
    x = 21,022,616.62/5,256.12
  6. Step 6: Final answer
    x = 3,999.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.