Home / 8,168.02-12,253.38-2,830.90

Finding the Fourth Proportional to 8,168.02, 12,253.38 and 2,830.90

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Solution

The fourth proportional to 8,168.02, 12,253.38 and 2,830.90 is: 4,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.02 : 12,253.38 = 2,830.90 : x
  2. Step 2: Convert to fraction form
    8,168.02/12,253.38 = 2,830.90/x
  3. Step 3: Cross multiply
    8,168.02x = 12,253.38 × 2,830.90
  4. Step 4: Simplify right side
    8,168.02x = 34,688,093.44
  5. Step 5: Solve for x
    x = 34,688,093.44/8,168.02
  6. Step 6: Final answer
    x = 4,246.82

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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.