Home / 6,659.39-9,189.90-3,675.35

Finding the Fourth Proportional to 6,659.39, 9,189.90 and 3,675.35

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Solution

The fourth proportional to 6,659.39, 9,189.90 and 3,675.35 is: 5,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.39 : 9,189.90 = 3,675.35 : x
  2. Step 2: Convert to fraction form
    6,659.39/9,189.90 = 3,675.35/x
  3. Step 3: Cross multiply
    6,659.39x = 9,189.90 × 3,675.35
  4. Step 4: Simplify right side
    6,659.39x = 33,776,053.02
  5. Step 5: Solve for x
    x = 33,776,053.02/6,659.39
  6. Step 6: Final answer
    x = 5,071.95

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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.