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Finding the Fourth Proportional to 6,373.50, 8,795.43 and 3,579

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Solution

The fourth proportional to 6,373.50, 8,795.43 and 3,579 is: 4,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.50 : 8,795.43 = 3,579 : x
  2. Step 2: Convert to fraction form
    6,373.50/8,795.43 = 3,579/x
  3. Step 3: Cross multiply
    6,373.50x = 8,795.43 × 3,579
  4. Step 4: Simplify right side
    6,373.50x = 31,478,843.97
  5. Step 5: Solve for x
    x = 31,478,843.97/6,373.50
  6. Step 6: Final answer
    x = 4,939.02

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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.