Home / 5,213.94-7,195.22-2,975.84

Finding the Fourth Proportional to 5,213.94, 7,195.22 and 2,975.84

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Solution

The fourth proportional to 5,213.94, 7,195.22 and 2,975.84 is: 4,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.94 : 7,195.22 = 2,975.84 : x
  2. Step 2: Convert to fraction form
    5,213.94/7,195.22 = 2,975.84/x
  3. Step 3: Cross multiply
    5,213.94x = 7,195.22 × 2,975.84
  4. Step 4: Simplify right side
    5,213.94x = 21,411,823.48
  5. Step 5: Solve for x
    x = 21,411,823.48/5,213.94
  6. Step 6: Final answer
    x = 4,106.65

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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.