Home / 4,955.61-7,427.82-2,146.68

Finding the Fourth Proportional to 4,955.61, 7,427.82 and 2,146.68

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Solution

The fourth proportional to 4,955.61, 7,427.82 and 2,146.68 is: 3,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.61 : 7,427.82 = 2,146.68 : x
  2. Step 2: Convert to fraction form
    4,955.61/7,427.82 = 2,146.68/x
  3. Step 3: Cross multiply
    4,955.61x = 7,427.82 × 2,146.68
  4. Step 4: Simplify right side
    4,955.61x = 15,945,152.64
  5. Step 5: Solve for x
    x = 15,945,152.64/4,955.61
  6. Step 6: Final answer
    x = 3,217.60

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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.