Home / 4,117.72-6,170.40-3,072.80

Finding the Fourth Proportional to 4,117.72, 6,170.40 and 3,072.80

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Solution

The fourth proportional to 4,117.72, 6,170.40 and 3,072.80 is: 4,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.72 : 6,170.40 = 3,072.80 : x
  2. Step 2: Convert to fraction form
    4,117.72/6,170.40 = 3,072.80/x
  3. Step 3: Cross multiply
    4,117.72x = 6,170.40 × 3,072.80
  4. Step 4: Simplify right side
    4,117.72x = 18,960,405.12
  5. Step 5: Solve for x
    x = 18,960,405.12/4,117.72
  6. Step 6: Final answer
    x = 4,604.59

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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.