Home / 6,399.39-8,830.94-3,566.67

Finding the Fourth Proportional to 6,399.39, 8,830.94 and 3,566.67

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Solution

The fourth proportional to 6,399.39, 8,830.94 and 3,566.67 is: 4,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.39 : 8,830.94 = 3,566.67 : x
  2. Step 2: Convert to fraction form
    6,399.39/8,830.94 = 3,566.67/x
  3. Step 3: Cross multiply
    6,399.39x = 8,830.94 × 3,566.67
  4. Step 4: Simplify right side
    6,399.39x = 31,497,030.94
  5. Step 5: Solve for x
    x = 31,497,030.94/6,399.39
  6. Step 6: Final answer
    x = 4,921.88

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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.