Home / 8,381.04-11,560.68-5,236.62

Finding the Fourth Proportional to 8,381.04, 11,560.68 and 5,236.62

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Solution

The fourth proportional to 8,381.04, 11,560.68 and 5,236.62 is: 7,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.04 : 11,560.68 = 5,236.62 : x
  2. Step 2: Convert to fraction form
    8,381.04/11,560.68 = 5,236.62/x
  3. Step 3: Cross multiply
    8,381.04x = 11,560.68 × 5,236.62
  4. Step 4: Simplify right side
    8,381.04x = 60,538,888.10
  5. Step 5: Solve for x
    x = 60,538,888.10/8,381.04
  6. Step 6: Final answer
    x = 7,223.31

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Half scale
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Double scale
Find fourth proportional to 8,382.04, 11,562.06 and 5,237.62
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.