Home / 5,486.05-8,229.08-5,158.41

Finding the Fourth Proportional to 5,486.05, 8,229.08 and 5,158.41

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Solution

The fourth proportional to 5,486.05, 8,229.08 and 5,158.41 is: 7,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.05 : 8,229.08 = 5,158.41 : x
  2. Step 2: Convert to fraction form
    5,486.05/8,229.08 = 5,158.41/x
  3. Step 3: Cross multiply
    5,486.05x = 8,229.08 × 5,158.41
  4. Step 4: Simplify right side
    5,486.05x = 42,448,968.56
  5. Step 5: Solve for x
    x = 42,448,968.56/5,486.05
  6. Step 6: Final answer
    x = 7,737.62

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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.