Home / 8,945.02-13,418.45-2,371.20

Finding the Fourth Proportional to 8,945.02, 13,418.45 and 2,371.20

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Solution

The fourth proportional to 8,945.02, 13,418.45 and 2,371.20 is: 3,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.02 : 13,418.45 = 2,371.20 : x
  2. Step 2: Convert to fraction form
    8,945.02/13,418.45 = 2,371.20/x
  3. Step 3: Cross multiply
    8,945.02x = 13,418.45 × 2,371.20
  4. Step 4: Simplify right side
    8,945.02x = 31,817,850.33
  5. Step 5: Solve for x
    x = 31,817,850.33/8,945.02
  6. Step 6: Final answer
    x = 3,557.05

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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.