Home / 6,031.28-8,324.84-3,935

Finding the Fourth Proportional to 6,031.28, 8,324.84 and 3,935

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Solution

The fourth proportional to 6,031.28, 8,324.84 and 3,935 is: 5,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.28 : 8,324.84 = 3,935 : x
  2. Step 2: Convert to fraction form
    6,031.28/8,324.84 = 3,935/x
  3. Step 3: Cross multiply
    6,031.28x = 8,324.84 × 3,935
  4. Step 4: Simplify right side
    6,031.28x = 32,758,245.40
  5. Step 5: Solve for x
    x = 32,758,245.40/6,031.28
  6. Step 6: Final answer
    x = 5,431.39

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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.