Home / 5,215.77-7,195.50-3,449.84

Finding the Fourth Proportional to 5,215.77, 7,195.50 and 3,449.84

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Solution

The fourth proportional to 5,215.77, 7,195.50 and 3,449.84 is: 4,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.77 : 7,195.50 = 3,449.84 : x
  2. Step 2: Convert to fraction form
    5,215.77/7,195.50 = 3,449.84/x
  3. Step 3: Cross multiply
    5,215.77x = 7,195.50 × 3,449.84
  4. Step 4: Simplify right side
    5,215.77x = 24,823,287.74
  5. Step 5: Solve for x
    x = 24,823,287.74/5,215.77
  6. Step 6: Final answer
    x = 4,759.28

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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.