Home / 6,346.10-8,756.39-4,107.66

Finding the Fourth Proportional to 6,346.10, 8,756.39 and 4,107.66

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Solution

The fourth proportional to 6,346.10, 8,756.39 and 4,107.66 is: 5,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.10 : 8,756.39 = 4,107.66 : x
  2. Step 2: Convert to fraction form
    6,346.10/8,756.39 = 4,107.66/x
  3. Step 3: Cross multiply
    6,346.10x = 8,756.39 × 4,107.66
  4. Step 4: Simplify right side
    6,346.10x = 35,968,283.22
  5. Step 5: Solve for x
    x = 35,968,283.22/6,346.10
  6. Step 6: Final answer
    x = 5,667.78

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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.