Home / 8,458.02-12,679.74-3,267.54

Finding the Fourth Proportional to 8,458.02, 12,679.74 and 3,267.54

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Solution

The fourth proportional to 8,458.02, 12,679.74 and 3,267.54 is: 4,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 12,679.74 = 3,267.54 : x
  2. Step 2: Convert to fraction form
    8,458.02/12,679.74 = 3,267.54/x
  3. Step 3: Cross multiply
    8,458.02x = 12,679.74 × 3,267.54
  4. Step 4: Simplify right side
    8,458.02x = 41,431,557.64
  5. Step 5: Solve for x
    x = 41,431,557.64/8,458.02
  6. Step 6: Final answer
    x = 4,898.49

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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.