Home / 8,274.02-12,411.09-3,012.80

Finding the Fourth Proportional to 8,274.02, 12,411.09 and 3,012.80

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Solution

The fourth proportional to 8,274.02, 12,411.09 and 3,012.80 is: 4,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.02 : 12,411.09 = 3,012.80 : x
  2. Step 2: Convert to fraction form
    8,274.02/12,411.09 = 3,012.80/x
  3. Step 3: Cross multiply
    8,274.02x = 12,411.09 × 3,012.80
  4. Step 4: Simplify right side
    8,274.02x = 37,392,069.90
  5. Step 5: Solve for x
    x = 37,392,069.90/8,274.02
  6. Step 6: Final answer
    x = 4,519.22

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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.