Home / 7,236.05-9,990.24-5,554.24

Finding the Fourth Proportional to 7,236.05, 9,990.24 and 5,554.24

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Solution

The fourth proportional to 7,236.05, 9,990.24 and 5,554.24 is: 7,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.05 : 9,990.24 = 5,554.24 : x
  2. Step 2: Convert to fraction form
    7,236.05/9,990.24 = 5,554.24/x
  3. Step 3: Cross multiply
    7,236.05x = 9,990.24 × 5,554.24
  4. Step 4: Simplify right side
    7,236.05x = 55,488,144.81
  5. Step 5: Solve for x
    x = 55,488,144.81/7,236.05
  6. Step 6: Final answer
    x = 7,668.29

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Half scale
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Double scale
Find fourth proportional to 7,237.05, 9,991.62 and 5,555.24
Similar ratio
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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.