Home / 6,375-8,795.34-4,017.72

Finding the Fourth Proportional to 6,375, 8,795.34 and 4,017.72

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Solution

The fourth proportional to 6,375, 8,795.34 and 4,017.72 is: 5,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375 : 8,795.34 = 4,017.72 : x
  2. Step 2: Convert to fraction form
    6,375/8,795.34 = 4,017.72/x
  3. Step 3: Cross multiply
    6,375x = 8,795.34 × 4,017.72
  4. Step 4: Simplify right side
    6,375x = 35,337,213.42
  5. Step 5: Solve for x
    x = 35,337,213.42/6,375
  6. Step 6: Final answer
    x = 5,543.09

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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.