Home / 8,891.15-12,268.73-4,912.02

Finding the Fourth Proportional to 8,891.15, 12,268.73 and 4,912.02

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Solution

The fourth proportional to 8,891.15, 12,268.73 and 4,912.02 is: 6,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.15 : 12,268.73 = 4,912.02 : x
  2. Step 2: Convert to fraction form
    8,891.15/12,268.73 = 4,912.02/x
  3. Step 3: Cross multiply
    8,891.15x = 12,268.73 × 4,912.02
  4. Step 4: Simplify right side
    8,891.15x = 60,264,268.62
  5. Step 5: Solve for x
    x = 60,264,268.62/8,891.15
  6. Step 6: Final answer
    x = 6,778.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.