Home / 6,841.26-9,439.20-4,187.70

Finding the Fourth Proportional to 6,841.26, 9,439.20 and 4,187.70

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Solution

The fourth proportional to 6,841.26, 9,439.20 and 4,187.70 is: 5,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.26 : 9,439.20 = 4,187.70 : x
  2. Step 2: Convert to fraction form
    6,841.26/9,439.20 = 4,187.70/x
  3. Step 3: Cross multiply
    6,841.26x = 9,439.20 × 4,187.70
  4. Step 4: Simplify right side
    6,841.26x = 39,528,537.84
  5. Step 5: Solve for x
    x = 39,528,537.84/6,841.26
  6. Step 6: Final answer
    x = 5,777.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.