Home / 5,402.73-8,090.53-3,422.35

Finding the Fourth Proportional to 5,402.73, 8,090.53 and 3,422.35

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Solution

The fourth proportional to 5,402.73, 8,090.53 and 3,422.35 is: 5,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.73 : 8,090.53 = 3,422.35 : x
  2. Step 2: Convert to fraction form
    5,402.73/8,090.53 = 3,422.35/x
  3. Step 3: Cross multiply
    5,402.73x = 8,090.53 × 3,422.35
  4. Step 4: Simplify right side
    5,402.73x = 27,688,646.15
  5. Step 5: Solve for x
    x = 27,688,646.15/5,402.73
  6. Step 6: Final answer
    x = 5,124.94

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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.