Home / 7,490.50-11,236.30-2,873.50

Finding the Fourth Proportional to 7,490.50, 11,236.30 and 2,873.50

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Solution

The fourth proportional to 7,490.50, 11,236.30 and 2,873.50 is: 4,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.50 : 11,236.30 = 2,873.50 : x
  2. Step 2: Convert to fraction form
    7,490.50/11,236.30 = 2,873.50/x
  3. Step 3: Cross multiply
    7,490.50x = 11,236.30 × 2,873.50
  4. Step 4: Simplify right side
    7,490.50x = 32,287,508.05
  5. Step 5: Solve for x
    x = 32,287,508.05/7,490.50
  6. Step 6: Final answer
    x = 4,310.46

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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.