Home / 9,712.20-13,402.45-5,734.59

Finding the Fourth Proportional to 9,712.20, 13,402.45 and 5,734.59

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Solution

The fourth proportional to 9,712.20, 13,402.45 and 5,734.59 is: 7,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.20 : 13,402.45 = 5,734.59 : x
  2. Step 2: Convert to fraction form
    9,712.20/13,402.45 = 5,734.59/x
  3. Step 3: Cross multiply
    9,712.20x = 13,402.45 × 5,734.59
  4. Step 4: Simplify right side
    9,712.20x = 76,857,555.75
  5. Step 5: Solve for x
    x = 76,857,555.75/9,712.20
  6. Step 6: Final answer
    x = 7,913.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.