Home / 7,490.70-11,236.05-3,330.18

Finding the Fourth Proportional to 7,490.70, 11,236.05 and 3,330.18

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Solution

The fourth proportional to 7,490.70, 11,236.05 and 3,330.18 is: 4,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.70 : 11,236.05 = 3,330.18 : x
  2. Step 2: Convert to fraction form
    7,490.70/11,236.05 = 3,330.18/x
  3. Step 3: Cross multiply
    7,490.70x = 11,236.05 × 3,330.18
  4. Step 4: Simplify right side
    7,490.70x = 37,418,068.99
  5. Step 5: Solve for x
    x = 37,418,068.99/7,490.70
  6. Step 6: Final answer
    x = 4,995.27

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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.