Home / 4,612.25-6,918.31-2,145.69

Finding the Fourth Proportional to 4,612.25, 6,918.31 and 2,145.69

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Solution

The fourth proportional to 4,612.25, 6,918.31 and 2,145.69 is: 3,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.25 : 6,918.31 = 2,145.69 : x
  2. Step 2: Convert to fraction form
    4,612.25/6,918.31 = 2,145.69/x
  3. Step 3: Cross multiply
    4,612.25x = 6,918.31 × 2,145.69
  4. Step 4: Simplify right side
    4,612.25x = 14,844,548.58
  5. Step 5: Solve for x
    x = 14,844,548.58/4,612.25
  6. Step 6: Final answer
    x = 3,218.50

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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.