Home / 7,424.56-10,245.45-4,066.75

Finding the Fourth Proportional to 7,424.56, 10,245.45 and 4,066.75

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Solution

The fourth proportional to 7,424.56, 10,245.45 and 4,066.75 is: 5,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.56 : 10,245.45 = 4,066.75 : x
  2. Step 2: Convert to fraction form
    7,424.56/10,245.45 = 4,066.75/x
  3. Step 3: Cross multiply
    7,424.56x = 10,245.45 × 4,066.75
  4. Step 4: Simplify right side
    7,424.56x = 41,665,683.79
  5. Step 5: Solve for x
    x = 41,665,683.79/7,424.56
  6. Step 6: Final answer
    x = 5,611.87

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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.