Home / 8,003.19-12,005.24-2,160.25

Finding the Fourth Proportional to 8,003.19, 12,005.24 and 2,160.25

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Solution

The fourth proportional to 8,003.19, 12,005.24 and 2,160.25 is: 3,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.19 : 12,005.24 = 2,160.25 : x
  2. Step 2: Convert to fraction form
    8,003.19/12,005.24 = 2,160.25/x
  3. Step 3: Cross multiply
    8,003.19x = 12,005.24 × 2,160.25
  4. Step 4: Simplify right side
    8,003.19x = 25,934,319.71
  5. Step 5: Solve for x
    x = 25,934,319.71/8,003.19
  6. Step 6: Final answer
    x = 3,240.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.