Home / 9,109.26-13,663.80-5,210.88

Finding the Fourth Proportional to 9,109.26, 13,663.80 and 5,210.88

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Solution

The fourth proportional to 9,109.26, 13,663.80 and 5,210.88 is: 7,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.26 : 13,663.80 = 5,210.88 : x
  2. Step 2: Convert to fraction form
    9,109.26/13,663.80 = 5,210.88/x
  3. Step 3: Cross multiply
    9,109.26x = 13,663.80 × 5,210.88
  4. Step 4: Simplify right side
    9,109.26x = 71,200,422.14
  5. Step 5: Solve for x
    x = 71,200,422.14/9,109.26
  6. Step 6: Final answer
    x = 7,816.27

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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.