Home / 6,086.10-9,129.14-2,190.50

Finding the Fourth Proportional to 6,086.10, 9,129.14 and 2,190.50

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Solution

The fourth proportional to 6,086.10, 9,129.14 and 2,190.50 is: 3,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.10 : 9,129.14 = 2,190.50 : x
  2. Step 2: Convert to fraction form
    6,086.10/9,129.14 = 2,190.50/x
  3. Step 3: Cross multiply
    6,086.10x = 9,129.14 × 2,190.50
  4. Step 4: Simplify right side
    6,086.10x = 19,997,381.17
  5. Step 5: Solve for x
    x = 19,997,381.17/6,086.10
  6. Step 6: Final answer
    x = 3,285.75

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Double scale
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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.