Home / 6,748.20-9,312.52-3,723.25

Finding the Fourth Proportional to 6,748.20, 9,312.52 and 3,723.25

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Solution

The fourth proportional to 6,748.20, 9,312.52 and 3,723.25 is: 5,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.20 : 9,312.52 = 3,723.25 : x
  2. Step 2: Convert to fraction form
    6,748.20/9,312.52 = 3,723.25/x
  3. Step 3: Cross multiply
    6,748.20x = 9,312.52 × 3,723.25
  4. Step 4: Simplify right side
    6,748.20x = 34,672,840.09
  5. Step 5: Solve for x
    x = 34,672,840.09/6,748.20
  6. Step 6: Final answer
    x = 5,138.09

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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.