Home / 8,405.02-12,604.20-2,857.24

Finding the Fourth Proportional to 8,405.02, 12,604.20 and 2,857.24

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Solution

The fourth proportional to 8,405.02, 12,604.20 and 2,857.24 is: 4,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.02 : 12,604.20 = 2,857.24 : x
  2. Step 2: Convert to fraction form
    8,405.02/12,604.20 = 2,857.24/x
  3. Step 3: Cross multiply
    8,405.02x = 12,604.20 × 2,857.24
  4. Step 4: Simplify right side
    8,405.02x = 36,013,224.41
  5. Step 5: Solve for x
    x = 36,013,224.41/8,405.02
  6. Step 6: Final answer
    x = 4,284.73

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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.