Home / 8,168.02-12,253.62-2,620.94

Finding the Fourth Proportional to 8,168.02, 12,253.62 and 2,620.94

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Solution

The fourth proportional to 8,168.02, 12,253.62 and 2,620.94 is: 3,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.02 : 12,253.62 = 2,620.94 : x
  2. Step 2: Convert to fraction form
    8,168.02/12,253.62 = 2,620.94/x
  3. Step 3: Cross multiply
    8,168.02x = 12,253.62 × 2,620.94
  4. Step 4: Simplify right side
    8,168.02x = 32,115,985.83
  5. Step 5: Solve for x
    x = 32,115,985.83/8,168.02
  6. Step 6: Final answer
    x = 3,931.92

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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.