Home / 9,331.88-14,000.82-2,758.12

Finding the Fourth Proportional to 9,331.88, 14,000.82 and 2,758.12

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Solution

The fourth proportional to 9,331.88, 14,000.82 and 2,758.12 is: 4,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.88 : 14,000.82 = 2,758.12 : x
  2. Step 2: Convert to fraction form
    9,331.88/14,000.82 = 2,758.12/x
  3. Step 3: Cross multiply
    9,331.88x = 14,000.82 × 2,758.12
  4. Step 4: Simplify right side
    9,331.88x = 38,615,941.66
  5. Step 5: Solve for x
    x = 38,615,941.66/9,331.88
  6. Step 6: Final answer
    x = 4,138.07

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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.