Home / 6,369.44-8,789.85-3,536.87

Finding the Fourth Proportional to 6,369.44, 8,789.85 and 3,536.87

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Solution

The fourth proportional to 6,369.44, 8,789.85 and 3,536.87 is: 4,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.44 : 8,789.85 = 3,536.87 : x
  2. Step 2: Convert to fraction form
    6,369.44/8,789.85 = 3,536.87/x
  3. Step 3: Cross multiply
    6,369.44x = 8,789.85 × 3,536.87
  4. Step 4: Simplify right side
    6,369.44x = 31,088,512.82
  5. Step 5: Solve for x
    x = 31,088,512.82/6,369.44
  6. Step 6: Final answer
    x = 4,880.89

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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.