Home / 6,658.60-9,189.26-3,675.10

Finding the Fourth Proportional to 6,658.60, 9,189.26 and 3,675.10

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Solution

The fourth proportional to 6,658.60, 9,189.26 and 3,675.10 is: 5,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.60 : 9,189.26 = 3,675.10 : x
  2. Step 2: Convert to fraction form
    6,658.60/9,189.26 = 3,675.10/x
  3. Step 3: Cross multiply
    6,658.60x = 9,189.26 × 3,675.10
  4. Step 4: Simplify right side
    6,658.60x = 33,771,449.43
  5. Step 5: Solve for x
    x = 33,771,449.43/6,658.60
  6. Step 6: Final answer
    x = 5,071.85

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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.