Home / 4,176.20-6,231.60-4,077.40

Finding the Fourth Proportional to 4,176.20, 6,231.60 and 4,077.40

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Solution

The fourth proportional to 4,176.20, 6,231.60 and 4,077.40 is: 6,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.20 : 6,231.60 = 4,077.40 : x
  2. Step 2: Convert to fraction form
    4,176.20/6,231.60 = 4,077.40/x
  3. Step 3: Cross multiply
    4,176.20x = 6,231.60 × 4,077.40
  4. Step 4: Simplify right side
    4,176.20x = 25,408,725.84
  5. Step 5: Solve for x
    x = 25,408,725.84/4,176.20
  6. Step 6: Final answer
    x = 6,084.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.