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Finding the Fourth Proportional to 6,083.40, 9,125.10 and 3,779.40

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Solution

The fourth proportional to 6,083.40, 9,125.10 and 3,779.40 is: 5,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,083.40 : 9,125.10 = 3,779.40 : x
  2. Step 2: Convert to fraction form
    6,083.40/9,125.10 = 3,779.40/x
  3. Step 3: Cross multiply
    6,083.40x = 9,125.10 × 3,779.40
  4. Step 4: Simplify right side
    6,083.40x = 34,487,402.94
  5. Step 5: Solve for x
    x = 34,487,402.94/6,083.40
  6. Step 6: Final answer
    x = 5,669.10

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Double scale
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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.