Home / 6,119.04-8,439.45-4,231.38

Finding the Fourth Proportional to 6,119.04, 8,439.45 and 4,231.38

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Solution

The fourth proportional to 6,119.04, 8,439.45 and 4,231.38 is: 5,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.04 : 8,439.45 = 4,231.38 : x
  2. Step 2: Convert to fraction form
    6,119.04/8,439.45 = 4,231.38/x
  3. Step 3: Cross multiply
    6,119.04x = 8,439.45 × 4,231.38
  4. Step 4: Simplify right side
    6,119.04x = 35,710,519.94
  5. Step 5: Solve for x
    x = 35,710,519.94/6,119.04
  6. Step 6: Final answer
    x = 5,835.97

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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.