Home / 8,106.52-12,157.98-2,558.92

Finding the Fourth Proportional to 8,106.52, 12,157.98 and 2,558.92

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Solution

The fourth proportional to 8,106.52, 12,157.98 and 2,558.92 is: 3,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.52 : 12,157.98 = 2,558.92 : x
  2. Step 2: Convert to fraction form
    8,106.52/12,157.98 = 2,558.92/x
  3. Step 3: Cross multiply
    8,106.52x = 12,157.98 × 2,558.92
  4. Step 4: Simplify right side
    8,106.52x = 31,111,298.18
  5. Step 5: Solve for x
    x = 31,111,298.18/8,106.52
  6. Step 6: Final answer
    x = 3,837.81

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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.