Home / 7,371.20-11,058.51-2,106.28

Finding the Fourth Proportional to 7,371.20, 11,058.51 and 2,106.28

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Solution

The fourth proportional to 7,371.20, 11,058.51 and 2,106.28 is: 3,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.20 : 11,058.51 = 2,106.28 : x
  2. Step 2: Convert to fraction form
    7,371.20/11,058.51 = 2,106.28/x
  3. Step 3: Cross multiply
    7,371.20x = 11,058.51 × 2,106.28
  4. Step 4: Simplify right side
    7,371.20x = 23,292,282.90
  5. Step 5: Solve for x
    x = 23,292,282.90/7,371.20
  6. Step 6: Final answer
    x = 3,159.90

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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.