Home / 6,105.15-9,158.40-1,944.19

Finding the Fourth Proportional to 6,105.15, 9,158.40 and 1,944.19

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Solution

The fourth proportional to 6,105.15, 9,158.40 and 1,944.19 is: 2,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.15 : 9,158.40 = 1,944.19 : x
  2. Step 2: Convert to fraction form
    6,105.15/9,158.40 = 1,944.19/x
  3. Step 3: Cross multiply
    6,105.15x = 9,158.40 × 1,944.19
  4. Step 4: Simplify right side
    6,105.15x = 17,805,669.70
  5. Step 5: Solve for x
    x = 17,805,669.70/6,105.15
  6. Step 6: Final answer
    x = 2,916.50

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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.