Home / 4,122.40-6,176.40-3,474.40

Finding the Fourth Proportional to 4,122.40, 6,176.40 and 3,474.40

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Solution

The fourth proportional to 4,122.40, 6,176.40 and 3,474.40 is: 5,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.40 : 6,176.40 = 3,474.40 : x
  2. Step 2: Convert to fraction form
    4,122.40/6,176.40 = 3,474.40/x
  3. Step 3: Cross multiply
    4,122.40x = 6,176.40 × 3,474.40
  4. Step 4: Simplify right side
    4,122.40x = 21,459,284.16
  5. Step 5: Solve for x
    x = 21,459,284.16/4,122.40
  6. Step 6: Final answer
    x = 5,205.53

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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.