Home / 4,039.62-5,573.25-2,643.18

Finding the Fourth Proportional to 4,039.62, 5,573.25 and 2,643.18

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Solution

The fourth proportional to 4,039.62, 5,573.25 and 2,643.18 is: 3,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.62 : 5,573.25 = 2,643.18 : x
  2. Step 2: Convert to fraction form
    4,039.62/5,573.25 = 2,643.18/x
  3. Step 3: Cross multiply
    4,039.62x = 5,573.25 × 2,643.18
  4. Step 4: Simplify right side
    4,039.62x = 14,731,102.94
  5. Step 5: Solve for x
    x = 14,731,102.94/4,039.62
  6. Step 6: Final answer
    x = 3,646.66

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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.