Home / 8,259.15-12,388.73-2,415.77

Finding the Fourth Proportional to 8,259.15, 12,388.73 and 2,415.77

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Solution

The fourth proportional to 8,259.15, 12,388.73 and 2,415.77 is: 3,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.15 : 12,388.73 = 2,415.77 : x
  2. Step 2: Convert to fraction form
    8,259.15/12,388.73 = 2,415.77/x
  3. Step 3: Cross multiply
    8,259.15x = 12,388.73 × 2,415.77
  4. Step 4: Simplify right side
    8,259.15x = 29,928,260.33
  5. Step 5: Solve for x
    x = 29,928,260.33/8,259.15
  6. Step 6: Final answer
    x = 3,623.65

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Similar ratio
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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.