Home / 6,636.35-9,958.40-2,479.22

Finding the Fourth Proportional to 6,636.35, 9,958.40 and 2,479.22

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Solution

The fourth proportional to 6,636.35, 9,958.40 and 2,479.22 is: 3,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.35 : 9,958.40 = 2,479.22 : x
  2. Step 2: Convert to fraction form
    6,636.35/9,958.40 = 2,479.22/x
  3. Step 3: Cross multiply
    6,636.35x = 9,958.40 × 2,479.22
  4. Step 4: Simplify right side
    6,636.35x = 24,689,002.26
  5. Step 5: Solve for x
    x = 24,689,002.26/6,636.35
  6. Step 6: Final answer
    x = 3,720.27

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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.