Home / 8,415.06-12,622.62-2,868.48

Finding the Fourth Proportional to 8,415.06, 12,622.62 and 2,868.48

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Solution

The fourth proportional to 8,415.06, 12,622.62 and 2,868.48 is: 4,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.06 : 12,622.62 = 2,868.48 : x
  2. Step 2: Convert to fraction form
    8,415.06/12,622.62 = 2,868.48/x
  3. Step 3: Cross multiply
    8,415.06x = 12,622.62 × 2,868.48
  4. Step 4: Simplify right side
    8,415.06x = 36,207,733.02
  5. Step 5: Solve for x
    x = 36,207,733.02/8,415.06
  6. Step 6: Final answer
    x = 4,302.73

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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.