Home / 8,172.02-12,257.73-2,328.48

Finding the Fourth Proportional to 8,172.02, 12,257.73 and 2,328.48

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Solution

The fourth proportional to 8,172.02, 12,257.73 and 2,328.48 is: 3,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.02 : 12,257.73 = 2,328.48 : x
  2. Step 2: Convert to fraction form
    8,172.02/12,257.73 = 2,328.48/x
  3. Step 3: Cross multiply
    8,172.02x = 12,257.73 × 2,328.48
  4. Step 4: Simplify right side
    8,172.02x = 28,541,879.15
  5. Step 5: Solve for x
    x = 28,541,879.15/8,172.02
  6. Step 6: Final answer
    x = 3,492.63

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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.