Home / 4,611.72-6,917.36-2,145.66

Finding the Fourth Proportional to 4,611.72, 6,917.36 and 2,145.66

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Solution

The fourth proportional to 4,611.72, 6,917.36 and 2,145.66 is: 3,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.72 : 6,917.36 = 2,145.66 : x
  2. Step 2: Convert to fraction form
    4,611.72/6,917.36 = 2,145.66/x
  3. Step 3: Cross multiply
    4,611.72x = 6,917.36 × 2,145.66
  4. Step 4: Simplify right side
    4,611.72x = 14,842,302.66
  5. Step 5: Solve for x
    x = 14,842,302.66/4,611.72
  6. Step 6: Final answer
    x = 3,218.39

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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.