Home / 6,146.27-9,217.39-1,985.30

Finding the Fourth Proportional to 6,146.27, 9,217.39 and 1,985.30

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Solution

The fourth proportional to 6,146.27, 9,217.39 and 1,985.30 is: 2,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.27 : 9,217.39 = 1,985.30 : x
  2. Step 2: Convert to fraction form
    6,146.27/9,217.39 = 1,985.30/x
  3. Step 3: Cross multiply
    6,146.27x = 9,217.39 × 1,985.30
  4. Step 4: Simplify right side
    6,146.27x = 18,299,284.37
  5. Step 5: Solve for x
    x = 18,299,284.37/6,146.27
  6. Step 6: Final answer
    x = 2,977.30

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Similar ratio
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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.