Home / 8,172.02-12,254.51-2,623.52

Finding the Fourth Proportional to 8,172.02, 12,254.51 and 2,623.52

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Solution

The fourth proportional to 8,172.02, 12,254.51 and 2,623.52 is: 3,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.02 : 12,254.51 = 2,623.52 : x
  2. Step 2: Convert to fraction form
    8,172.02/12,254.51 = 2,623.52/x
  3. Step 3: Cross multiply
    8,172.02x = 12,254.51 × 2,623.52
  4. Step 4: Simplify right side
    8,172.02x = 32,149,952.08
  5. Step 5: Solve for x
    x = 32,149,952.08/8,172.02
  6. Step 6: Final answer
    x = 3,934.15

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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.