Home / 9,121.91-13,681.35-2,546.33

Finding the Fourth Proportional to 9,121.91, 13,681.35 and 2,546.33

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Solution

The fourth proportional to 9,121.91, 13,681.35 and 2,546.33 is: 3,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.91 : 13,681.35 = 2,546.33 : x
  2. Step 2: Convert to fraction form
    9,121.91/13,681.35 = 2,546.33/x
  3. Step 3: Cross multiply
    9,121.91x = 13,681.35 × 2,546.33
  4. Step 4: Simplify right side
    9,121.91x = 34,837,219.21
  5. Step 5: Solve for x
    x = 34,837,219.21/9,121.91
  6. Step 6: Final answer
    x = 3,819.07

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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.