Home / 6,609.40-9,909.67-3,486.10

Finding the Fourth Proportional to 6,609.40, 9,909.67 and 3,486.10

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Solution

The fourth proportional to 6,609.40, 9,909.67 and 3,486.10 is: 5,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.40 : 9,909.67 = 3,486.10 : x
  2. Step 2: Convert to fraction form
    6,609.40/9,909.67 = 3,486.10/x
  3. Step 3: Cross multiply
    6,609.40x = 9,909.67 × 3,486.10
  4. Step 4: Simplify right side
    6,609.40x = 34,546,100.59
  5. Step 5: Solve for x
    x = 34,546,100.59/6,609.40
  6. Step 6: Final answer
    x = 5,226.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.