Home / 8,390.06-12,586.08-2,546.72

Finding the Fourth Proportional to 8,390.06, 12,586.08 and 2,546.72

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Solution

The fourth proportional to 8,390.06, 12,586.08 and 2,546.72 is: 3,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.06 : 12,586.08 = 2,546.72 : x
  2. Step 2: Convert to fraction form
    8,390.06/12,586.08 = 2,546.72/x
  3. Step 3: Cross multiply
    8,390.06x = 12,586.08 × 2,546.72
  4. Step 4: Simplify right side
    8,390.06x = 32,053,221.66
  5. Step 5: Solve for x
    x = 32,053,221.66/8,390.06
  6. Step 6: Final answer
    x = 3,820.38

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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.