Home / 8,220.83-11,354.09-5,527.37

Finding the Fourth Proportional to 8,220.83, 11,354.09 and 5,527.37

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Solution

The fourth proportional to 8,220.83, 11,354.09 and 5,527.37 is: 7,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.83 : 11,354.09 = 5,527.37 : x
  2. Step 2: Convert to fraction form
    8,220.83/11,354.09 = 5,527.37/x
  3. Step 3: Cross multiply
    8,220.83x = 11,354.09 × 5,527.37
  4. Step 4: Simplify right side
    8,220.83x = 62,758,172.04
  5. Step 5: Solve for x
    x = 62,758,172.04/8,220.83
  6. Step 6: Final answer
    x = 7,634.05

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Half scale
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Double scale
Find fourth proportional to 8,221.83, 11,355.47 and 5,528.37
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.