Home / 7,636.75-10,536.35-4,279.10

Finding the Fourth Proportional to 7,636.75, 10,536.35 and 4,279.10

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Solution

The fourth proportional to 7,636.75, 10,536.35 and 4,279.10 is: 5,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.75 : 10,536.35 = 4,279.10 : x
  2. Step 2: Convert to fraction form
    7,636.75/10,536.35 = 4,279.10/x
  3. Step 3: Cross multiply
    7,636.75x = 10,536.35 × 4,279.10
  4. Step 4: Simplify right side
    7,636.75x = 45,086,021.21
  5. Step 5: Solve for x
    x = 45,086,021.21/7,636.75
  6. Step 6: Final answer
    x = 5,903.83

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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.