Home / 8,934.21-13,402.22-3,090.06

Finding the Fourth Proportional to 8,934.21, 13,402.22 and 3,090.06

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Solution

The fourth proportional to 8,934.21, 13,402.22 and 3,090.06 is: 4,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.21 : 13,402.22 = 3,090.06 : x
  2. Step 2: Convert to fraction form
    8,934.21/13,402.22 = 3,090.06/x
  3. Step 3: Cross multiply
    8,934.21x = 13,402.22 × 3,090.06
  4. Step 4: Simplify right side
    8,934.21x = 41,413,648.48
  5. Step 5: Solve for x
    x = 41,413,648.48/8,934.21
  6. Step 6: Final answer
    x = 4,635.40

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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.