Home / 8,118.02-12,177.12-2,923.94

Finding the Fourth Proportional to 8,118.02, 12,177.12 and 2,923.94

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Solution

The fourth proportional to 8,118.02, 12,177.12 and 2,923.94 is: 4,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.02 : 12,177.12 = 2,923.94 : x
  2. Step 2: Convert to fraction form
    8,118.02/12,177.12 = 2,923.94/x
  3. Step 3: Cross multiply
    8,118.02x = 12,177.12 × 2,923.94
  4. Step 4: Simplify right side
    8,118.02x = 35,605,168.25
  5. Step 5: Solve for x
    x = 35,605,168.25/8,118.02
  6. Step 6: Final answer
    x = 4,385.94

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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.