Home / 5,233.89-7,219.74-3,136.80

Finding the Fourth Proportional to 5,233.89, 7,219.74 and 3,136.80

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Solution

The fourth proportional to 5,233.89, 7,219.74 and 3,136.80 is: 4,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.89 : 7,219.74 = 3,136.80 : x
  2. Step 2: Convert to fraction form
    5,233.89/7,219.74 = 3,136.80/x
  3. Step 3: Cross multiply
    5,233.89x = 7,219.74 × 3,136.80
  4. Step 4: Simplify right side
    5,233.89x = 22,646,880.43
  5. Step 5: Solve for x
    x = 22,646,880.43/5,233.89
  6. Step 6: Final answer
    x = 4,326.97

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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.