Home / 4,147.60-6,222.24-1,374.40

Finding the Fourth Proportional to 4,147.60, 6,222.24 and 1,374.40

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Solution

The fourth proportional to 4,147.60, 6,222.24 and 1,374.40 is: 2,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.60 : 6,222.24 = 1,374.40 : x
  2. Step 2: Convert to fraction form
    4,147.60/6,222.24 = 1,374.40/x
  3. Step 3: Cross multiply
    4,147.60x = 6,222.24 × 1,374.40
  4. Step 4: Simplify right side
    4,147.60x = 8,551,846.66
  5. Step 5: Solve for x
    x = 8,551,846.66/4,147.60
  6. Step 6: Final answer
    x = 2,061.88

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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.