Home / 9,131.15-13,697.35-2,891.43

Finding the Fourth Proportional to 9,131.15, 13,697.35 and 2,891.43

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Solution

The fourth proportional to 9,131.15, 13,697.35 and 2,891.43 is: 4,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.15 : 13,697.35 = 2,891.43 : x
  2. Step 2: Convert to fraction form
    9,131.15/13,697.35 = 2,891.43/x
  3. Step 3: Cross multiply
    9,131.15x = 13,697.35 × 2,891.43
  4. Step 4: Simplify right side
    9,131.15x = 39,604,921.48
  5. Step 5: Solve for x
    x = 39,604,921.48/9,131.15
  6. Step 6: Final answer
    x = 4,337.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.