Home / 8,146.02-12,234.09-4,879.19

Finding the Fourth Proportional to 8,146.02, 12,234.09 and 4,879.19

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Solution

The fourth proportional to 8,146.02, 12,234.09 and 4,879.19 is: 7,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.02 : 12,234.09 = 4,879.19 : x
  2. Step 2: Convert to fraction form
    8,146.02/12,234.09 = 4,879.19/x
  3. Step 3: Cross multiply
    8,146.02x = 12,234.09 × 4,879.19
  4. Step 4: Simplify right side
    8,146.02x = 59,692,388.42
  5. Step 5: Solve for x
    x = 59,692,388.42/8,146.02
  6. Step 6: Final answer
    x = 7,327.80

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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.