Home / 7,136.66-10,707-6,250.91

Finding the Fourth Proportional to 7,136.66, 10,707 and 6,250.91

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Solution

The fourth proportional to 7,136.66, 10,707 and 6,250.91 is: 9,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.66 : 10,707 = 6,250.91 : x
  2. Step 2: Convert to fraction form
    7,136.66/10,707 = 6,250.91/x
  3. Step 3: Cross multiply
    7,136.66x = 10,707 × 6,250.91
  4. Step 4: Simplify right side
    7,136.66x = 66,928,493.37
  5. Step 5: Solve for x
    x = 66,928,493.37/7,136.66
  6. Step 6: Final answer
    x = 9,378.13

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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.