Home / 5,185.28-7,151.28-3,506.24

Finding the Fourth Proportional to 5,185.28, 7,151.28 and 3,506.24

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Solution

The fourth proportional to 5,185.28, 7,151.28 and 3,506.24 is: 4,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.28 : 7,151.28 = 3,506.24 : x
  2. Step 2: Convert to fraction form
    5,185.28/7,151.28 = 3,506.24/x
  3. Step 3: Cross multiply
    5,185.28x = 7,151.28 × 3,506.24
  4. Step 4: Simplify right side
    5,185.28x = 25,074,103.99
  5. Step 5: Solve for x
    x = 25,074,103.99/5,185.28
  6. Step 6: Final answer
    x = 4,835.63

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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.