Home / 6,865.19-10,289.82-3,159.64

Finding the Fourth Proportional to 6,865.19, 10,289.82 and 3,159.64

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Solution

The fourth proportional to 6,865.19, 10,289.82 and 3,159.64 is: 4,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.19 : 10,289.82 = 3,159.64 : x
  2. Step 2: Convert to fraction form
    6,865.19/10,289.82 = 3,159.64/x
  3. Step 3: Cross multiply
    6,865.19x = 10,289.82 × 3,159.64
  4. Step 4: Simplify right side
    6,865.19x = 32,512,126.86
  5. Step 5: Solve for x
    x = 32,512,126.86/6,865.19
  6. Step 6: Final answer
    x = 4,735.79

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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.