Home / 5,217.63-7,199.55-2,949.18

Finding the Fourth Proportional to 5,217.63, 7,199.55 and 2,949.18

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Solution

The fourth proportional to 5,217.63, 7,199.55 and 2,949.18 is: 4,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.63 : 7,199.55 = 2,949.18 : x
  2. Step 2: Convert to fraction form
    5,217.63/7,199.55 = 2,949.18/x
  3. Step 3: Cross multiply
    5,217.63x = 7,199.55 × 2,949.18
  4. Step 4: Simplify right side
    5,217.63x = 21,232,768.87
  5. Step 5: Solve for x
    x = 21,232,768.87/5,217.63
  6. Step 6: Final answer
    x = 4,069.43

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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.