Home / 8,567.14-11,819.32-5,379.09

Finding the Fourth Proportional to 8,567.14, 11,819.32 and 5,379.09

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Solution

The fourth proportional to 8,567.14, 11,819.32 and 5,379.09 is: 7,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.14 : 11,819.32 = 5,379.09 : x
  2. Step 2: Convert to fraction form
    8,567.14/11,819.32 = 5,379.09/x
  3. Step 3: Cross multiply
    8,567.14x = 11,819.32 × 5,379.09
  4. Step 4: Simplify right side
    8,567.14x = 63,577,186.02
  5. Step 5: Solve for x
    x = 63,577,186.02/8,567.14
  6. Step 6: Final answer
    x = 7,421.05

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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.