Home / 8,169.02-12,243.80-3,777.10

Finding the Fourth Proportional to 8,169.02, 12,243.80 and 3,777.10

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Solution

The fourth proportional to 8,169.02, 12,243.80 and 3,777.10 is: 5,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.02 : 12,243.80 = 3,777.10 : x
  2. Step 2: Convert to fraction form
    8,169.02/12,243.80 = 3,777.10/x
  3. Step 3: Cross multiply
    8,169.02x = 12,243.80 × 3,777.10
  4. Step 4: Simplify right side
    8,169.02x = 46,246,056.98
  5. Step 5: Solve for x
    x = 46,246,056.98/8,169.02
  6. Step 6: Final answer
    x = 5,661.15

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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.