Home / 8,205.24-11,319.06-5,551.68

Finding the Fourth Proportional to 8,205.24, 11,319.06 and 5,551.68

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Solution

The fourth proportional to 8,205.24, 11,319.06 and 5,551.68 is: 7,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.24 : 11,319.06 = 5,551.68 : x
  2. Step 2: Convert to fraction form
    8,205.24/11,319.06 = 5,551.68/x
  3. Step 3: Cross multiply
    8,205.24x = 11,319.06 × 5,551.68
  4. Step 4: Simplify right side
    8,205.24x = 62,839,799.02
  5. Step 5: Solve for x
    x = 62,839,799.02/8,205.24
  6. Step 6: Final answer
    x = 7,658.50

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Half scale
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Double scale
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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.