Home / 4,084.40-6,128.42-2,994.54

Finding the Fourth Proportional to 4,084.40, 6,128.42 and 2,994.54

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Solution

The fourth proportional to 4,084.40, 6,128.42 and 2,994.54 is: 4,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.40 : 6,128.42 = 2,994.54 : x
  2. Step 2: Convert to fraction form
    4,084.40/6,128.42 = 2,994.54/x
  3. Step 3: Cross multiply
    4,084.40x = 6,128.42 × 2,994.54
  4. Step 4: Simplify right side
    4,084.40x = 18,351,798.83
  5. Step 5: Solve for x
    x = 18,351,798.83/4,084.40
  6. Step 6: Final answer
    x = 4,493.14

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.