Home / 6,122.40-9,171.45-4,154.10

Finding the Fourth Proportional to 6,122.40, 9,171.45 and 4,154.10

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Solution

The fourth proportional to 6,122.40, 9,171.45 and 4,154.10 is: 6,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.40 : 9,171.45 = 4,154.10 : x
  2. Step 2: Convert to fraction form
    6,122.40/9,171.45 = 4,154.10/x
  3. Step 3: Cross multiply
    6,122.40x = 9,171.45 × 4,154.10
  4. Step 4: Simplify right side
    6,122.40x = 38,099,120.45
  5. Step 5: Solve for x
    x = 38,099,120.45/6,122.40
  6. Step 6: Final answer
    x = 6,222.91

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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.