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Finding the Fourth Proportional to 6,700.55, 9,247.05 and 3,716.37

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Solution

The fourth proportional to 6,700.55, 9,247.05 and 3,716.37 is: 5,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.55 : 9,247.05 = 3,716.37 : x
  2. Step 2: Convert to fraction form
    6,700.55/9,247.05 = 3,716.37/x
  3. Step 3: Cross multiply
    6,700.55x = 9,247.05 × 3,716.37
  4. Step 4: Simplify right side
    6,700.55x = 34,365,459.21
  5. Step 5: Solve for x
    x = 34,365,459.21/6,700.55
  6. Step 6: Final answer
    x = 5,128.76

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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.