Home / 7,136.83-10,704.29-3,240.34

Finding the Fourth Proportional to 7,136.83, 10,704.29 and 3,240.34

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Solution

The fourth proportional to 7,136.83, 10,704.29 and 3,240.34 is: 4,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.83 : 10,704.29 = 3,240.34 : x
  2. Step 2: Convert to fraction form
    7,136.83/10,704.29 = 3,240.34/x
  3. Step 3: Cross multiply
    7,136.83x = 10,704.29 × 3,240.34
  4. Step 4: Simplify right side
    7,136.83x = 34,685,493.64
  5. Step 5: Solve for x
    x = 34,685,493.64/7,136.83
  6. Step 6: Final answer
    x = 4,860.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.