Home / 7,479.48-11,219.22-2,285.31

Finding the Fourth Proportional to 7,479.48, 11,219.22 and 2,285.31

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Solution

The fourth proportional to 7,479.48, 11,219.22 and 2,285.31 is: 3,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.48 : 11,219.22 = 2,285.31 : x
  2. Step 2: Convert to fraction form
    7,479.48/11,219.22 = 2,285.31/x
  3. Step 3: Cross multiply
    7,479.48x = 11,219.22 × 2,285.31
  4. Step 4: Simplify right side
    7,479.48x = 25,639,395.66
  5. Step 5: Solve for x
    x = 25,639,395.66/7,479.48
  6. Step 6: Final answer
    x = 3,427.97

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Half scale
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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.