Home / 8,107.24-12,154.02-4,199.80

Finding the Fourth Proportional to 8,107.24, 12,154.02 and 4,199.80

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Solution

The fourth proportional to 8,107.24, 12,154.02 and 4,199.80 is: 6,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.24 : 12,154.02 = 4,199.80 : x
  2. Step 2: Convert to fraction form
    8,107.24/12,154.02 = 4,199.80/x
  3. Step 3: Cross multiply
    8,107.24x = 12,154.02 × 4,199.80
  4. Step 4: Simplify right side
    8,107.24x = 51,044,453.20
  5. Step 5: Solve for x
    x = 51,044,453.20/8,107.24
  6. Step 6: Final answer
    x = 6,296.16

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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.