Home / 8,587.99-12,883.83-2,664.75

Finding the Fourth Proportional to 8,587.99, 12,883.83 and 2,664.75

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Solution

The fourth proportional to 8,587.99, 12,883.83 and 2,664.75 is: 3,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.99 : 12,883.83 = 2,664.75 : x
  2. Step 2: Convert to fraction form
    8,587.99/12,883.83 = 2,664.75/x
  3. Step 3: Cross multiply
    8,587.99x = 12,883.83 × 2,664.75
  4. Step 4: Simplify right side
    8,587.99x = 34,332,185.99
  5. Step 5: Solve for x
    x = 34,332,185.99/8,587.99
  6. Step 6: Final answer
    x = 3,997.70

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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.