Home / 9,131.42-13,697.03-2,891.44

Finding the Fourth Proportional to 9,131.42, 13,697.03 and 2,891.44

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Solution

The fourth proportional to 9,131.42, 13,697.03 and 2,891.44 is: 4,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.42 : 13,697.03 = 2,891.44 : x
  2. Step 2: Convert to fraction form
    9,131.42/13,697.03 = 2,891.44/x
  3. Step 3: Cross multiply
    9,131.42x = 13,697.03 × 2,891.44
  4. Step 4: Simplify right side
    9,131.42x = 39,604,057.48
  5. Step 5: Solve for x
    x = 39,604,057.48/9,131.42
  6. Step 6: Final answer
    x = 4,337.12

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1.5x scale

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.