Home / 8,146.19-12,219.97-2,600.32

Finding the Fourth Proportional to 8,146.19, 12,219.97 and 2,600.32

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Solution

The fourth proportional to 8,146.19, 12,219.97 and 2,600.32 is: 3,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.19 : 12,219.97 = 2,600.32 : x
  2. Step 2: Convert to fraction form
    8,146.19/12,219.97 = 2,600.32/x
  3. Step 3: Cross multiply
    8,146.19x = 12,219.97 × 2,600.32
  4. Step 4: Simplify right side
    8,146.19x = 31,775,832.39
  5. Step 5: Solve for x
    x = 31,775,832.39/8,146.19
  6. Step 6: Final answer
    x = 3,900.70

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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.