Home / 9,146.09-13,719.15-2,220.59

Finding the Fourth Proportional to 9,146.09, 13,719.15 and 2,220.59

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Solution

The fourth proportional to 9,146.09, 13,719.15 and 2,220.59 is: 3,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.09 : 13,719.15 = 2,220.59 : x
  2. Step 2: Convert to fraction form
    9,146.09/13,719.15 = 2,220.59/x
  3. Step 3: Cross multiply
    9,146.09x = 13,719.15 × 2,220.59
  4. Step 4: Simplify right side
    9,146.09x = 30,464,607.30
  5. Step 5: Solve for x
    x = 30,464,607.30/9,146.09
  6. Step 6: Final answer
    x = 3,330.89

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Similar ratio
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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.