Home / 8,726.14-13,089.21-4,109.50

Finding the Fourth Proportional to 8,726.14, 13,089.21 and 4,109.50

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Solution

The fourth proportional to 8,726.14, 13,089.21 and 4,109.50 is: 6,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.14 : 13,089.21 = 4,109.50 : x
  2. Step 2: Convert to fraction form
    8,726.14/13,089.21 = 4,109.50/x
  3. Step 3: Cross multiply
    8,726.14x = 13,089.21 × 4,109.50
  4. Step 4: Simplify right side
    8,726.14x = 53,790,108.50
  5. Step 5: Solve for x
    x = 53,790,108.50/8,726.14
  6. Step 6: Final answer
    x = 6,164.25

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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.