Home / 7,371.16-11,053.26-2,687.90

Finding the Fourth Proportional to 7,371.16, 11,053.26 and 2,687.90

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Solution

The fourth proportional to 7,371.16, 11,053.26 and 2,687.90 is: 4,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.16 : 11,053.26 = 2,687.90 : x
  2. Step 2: Convert to fraction form
    7,371.16/11,053.26 = 2,687.90/x
  3. Step 3: Cross multiply
    7,371.16x = 11,053.26 × 2,687.90
  4. Step 4: Simplify right side
    7,371.16x = 29,710,057.55
  5. Step 5: Solve for x
    x = 29,710,057.55/7,371.16
  6. Step 6: Final answer
    x = 4,030.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.