Home / 6,276.26-9,412.20-2,115.29

Finding the Fourth Proportional to 6,276.26, 9,412.20 and 2,115.29

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Solution

The fourth proportional to 6,276.26, 9,412.20 and 2,115.29 is: 3,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.26 : 9,412.20 = 2,115.29 : x
  2. Step 2: Convert to fraction form
    6,276.26/9,412.20 = 2,115.29/x
  3. Step 3: Cross multiply
    6,276.26x = 9,412.20 × 2,115.29
  4. Step 4: Simplify right side
    6,276.26x = 19,909,556.07
  5. Step 5: Solve for x
    x = 19,909,556.07/6,276.26
  6. Step 6: Final answer
    x = 3,172.20

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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.