Home / 7,424.75-10,245.92-4,439.05

Finding the Fourth Proportional to 7,424.75, 10,245.92 and 4,439.05

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Solution

The fourth proportional to 7,424.75, 10,245.92 and 4,439.05 is: 6,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.75 : 10,245.92 = 4,439.05 : x
  2. Step 2: Convert to fraction form
    7,424.75/10,245.92 = 4,439.05/x
  3. Step 3: Cross multiply
    7,424.75x = 10,245.92 × 4,439.05
  4. Step 4: Simplify right side
    7,424.75x = 45,482,103.37
  5. Step 5: Solve for x
    x = 45,482,103.37/7,424.75
  6. Step 6: Final answer
    x = 6,125.74

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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.