Home / 6,165.12-8,507.76-3,370.56

Finding the Fourth Proportional to 6,165.12, 8,507.76 and 3,370.56

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Solution

The fourth proportional to 6,165.12, 8,507.76 and 3,370.56 is: 4,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.12 : 8,507.76 = 3,370.56 : x
  2. Step 2: Convert to fraction form
    6,165.12/8,507.76 = 3,370.56/x
  3. Step 3: Cross multiply
    6,165.12x = 8,507.76 × 3,370.56
  4. Step 4: Simplify right side
    6,165.12x = 28,675,915.55
  5. Step 5: Solve for x
    x = 28,675,915.55/6,165.12
  6. Step 6: Final answer
    x = 4,651.32

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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.