Home / 8,221.29-11,342.61-4,682.00

Finding the Fourth Proportional to 8,221.29, 11,342.61 and 4,682.00

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Solution

The fourth proportional to 8,221.29, 11,342.61 and 4,682.00 is: 6,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.29 : 11,342.61 = 4,682.00 : x
  2. Step 2: Convert to fraction form
    8,221.29/11,342.61 = 4,682.00/x
  3. Step 3: Cross multiply
    8,221.29x = 11,342.61 × 4,682.00
  4. Step 4: Simplify right side
    8,221.29x = 53,106,043.31
  5. Step 5: Solve for x
    x = 53,106,043.31/8,221.29
  6. Step 6: Final answer
    x = 6,459.58

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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.