Home / 6,861.90-10,292.58-4,775.88

Finding the Fourth Proportional to 6,861.90, 10,292.58 and 4,775.88

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Solution

The fourth proportional to 6,861.90, 10,292.58 and 4,775.88 is: 7,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.90 : 10,292.58 = 4,775.88 : x
  2. Step 2: Convert to fraction form
    6,861.90/10,292.58 = 4,775.88/x
  3. Step 3: Cross multiply
    6,861.90x = 10,292.58 × 4,775.88
  4. Step 4: Simplify right side
    6,861.90x = 49,156,126.97
  5. Step 5: Solve for x
    x = 49,156,126.97/6,861.90
  6. Step 6: Final answer
    x = 7,163.63

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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.