Home / 5,246.48-7,240.30-2,888.76

Finding the Fourth Proportional to 5,246.48, 7,240.30 and 2,888.76

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Solution

The fourth proportional to 5,246.48, 7,240.30 and 2,888.76 is: 3,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.48 : 7,240.30 = 2,888.76 : x
  2. Step 2: Convert to fraction form
    5,246.48/7,240.30 = 2,888.76/x
  3. Step 3: Cross multiply
    5,246.48x = 7,240.30 × 2,888.76
  4. Step 4: Simplify right side
    5,246.48x = 20,915,489.03
  5. Step 5: Solve for x
    x = 20,915,489.03/5,246.48
  6. Step 6: Final answer
    x = 3,986.58

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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.