Home / 8,449.02-12,674.34-2,904.30

Finding the Fourth Proportional to 8,449.02, 12,674.34 and 2,904.30

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Solution

The fourth proportional to 8,449.02, 12,674.34 and 2,904.30 is: 4,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.02 : 12,674.34 = 2,904.30 : x
  2. Step 2: Convert to fraction form
    8,449.02/12,674.34 = 2,904.30/x
  3. Step 3: Cross multiply
    8,449.02x = 12,674.34 × 2,904.30
  4. Step 4: Simplify right side
    8,449.02x = 36,810,085.66
  5. Step 5: Solve for x
    x = 36,810,085.66/8,449.02
  6. Step 6: Final answer
    x = 4,356.73

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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.