Home / 8,639.02-12,961.23-2,796.07

Finding the Fourth Proportional to 8,639.02, 12,961.23 and 2,796.07

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Solution

The fourth proportional to 8,639.02, 12,961.23 and 2,796.07 is: 4,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.02 : 12,961.23 = 2,796.07 : x
  2. Step 2: Convert to fraction form
    8,639.02/12,961.23 = 2,796.07/x
  3. Step 3: Cross multiply
    8,639.02x = 12,961.23 × 2,796.07
  4. Step 4: Simplify right side
    8,639.02x = 36,240,506.37
  5. Step 5: Solve for x
    x = 36,240,506.37/8,639.02
  6. Step 6: Final answer
    x = 4,194.98

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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.