Home / 6,189.41-8,541.47-3,395.09

Finding the Fourth Proportional to 6,189.41, 8,541.47 and 3,395.09

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Solution

The fourth proportional to 6,189.41, 8,541.47 and 3,395.09 is: 4,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.41 : 8,541.47 = 3,395.09 : x
  2. Step 2: Convert to fraction form
    6,189.41/8,541.47 = 3,395.09/x
  3. Step 3: Cross multiply
    6,189.41x = 8,541.47 × 3,395.09
  4. Step 4: Simplify right side
    6,189.41x = 28,999,059.38
  5. Step 5: Solve for x
    x = 28,999,059.38/6,189.41
  6. Step 6: Final answer
    x = 4,685.27

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Half scale
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Double scale
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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.