Home / 8,354.08-12,531.96-3,090.49

Finding the Fourth Proportional to 8,354.08, 12,531.96 and 3,090.49

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Solution

The fourth proportional to 8,354.08, 12,531.96 and 3,090.49 is: 4,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.08 : 12,531.96 = 3,090.49 : x
  2. Step 2: Convert to fraction form
    8,354.08/12,531.96 = 3,090.49/x
  3. Step 3: Cross multiply
    8,354.08x = 12,531.96 × 3,090.49
  4. Step 4: Simplify right side
    8,354.08x = 38,729,897.06
  5. Step 5: Solve for x
    x = 38,729,897.06/8,354.08
  6. Step 6: Final answer
    x = 4,636.05

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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.