Home / 7,324.84-10,136.10-6,396.04

Finding the Fourth Proportional to 7,324.84, 10,136.10 and 6,396.04

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Solution

The fourth proportional to 7,324.84, 10,136.10 and 6,396.04 is: 8,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.84 : 10,136.10 = 6,396.04 : x
  2. Step 2: Convert to fraction form
    7,324.84/10,136.10 = 6,396.04/x
  3. Step 3: Cross multiply
    7,324.84x = 10,136.10 × 6,396.04
  4. Step 4: Simplify right side
    7,324.84x = 64,830,901.04
  5. Step 5: Solve for x
    x = 64,830,901.04/7,324.84
  6. Step 6: Final answer
    x = 8,850.83

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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.