Home / 8,607.09-12,906.36-2,762.94

Finding the Fourth Proportional to 8,607.09, 12,906.36 and 2,762.94

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Solution

The fourth proportional to 8,607.09, 12,906.36 and 2,762.94 is: 4,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.09 : 12,906.36 = 2,762.94 : x
  2. Step 2: Convert to fraction form
    8,607.09/12,906.36 = 2,762.94/x
  3. Step 3: Cross multiply
    8,607.09x = 12,906.36 × 2,762.94
  4. Step 4: Simplify right side
    8,607.09x = 35,659,498.30
  5. Step 5: Solve for x
    x = 35,659,498.30/8,607.09
  6. Step 6: Final answer
    x = 4,143.04

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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.