Home / 7,108.88-10,669.02-3,213.62

Finding the Fourth Proportional to 7,108.88, 10,669.02 and 3,213.62

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Solution

The fourth proportional to 7,108.88, 10,669.02 and 3,213.62 is: 4,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.88 : 10,669.02 = 3,213.62 : x
  2. Step 2: Convert to fraction form
    7,108.88/10,669.02 = 3,213.62/x
  3. Step 3: Cross multiply
    7,108.88x = 10,669.02 × 3,213.62
  4. Step 4: Simplify right side
    7,108.88x = 34,286,176.05
  5. Step 5: Solve for x
    x = 34,286,176.05/7,108.88
  6. Step 6: Final answer
    x = 4,823.01

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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.