Home / 9,090.64-13,634.42-2,515.29

Finding the Fourth Proportional to 9,090.64, 13,634.42 and 2,515.29

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Solution

The fourth proportional to 9,090.64, 13,634.42 and 2,515.29 is: 3,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.64 : 13,634.42 = 2,515.29 : x
  2. Step 2: Convert to fraction form
    9,090.64/13,634.42 = 2,515.29/x
  3. Step 3: Cross multiply
    9,090.64x = 13,634.42 × 2,515.29
  4. Step 4: Simplify right side
    9,090.64x = 34,294,456.58
  5. Step 5: Solve for x
    x = 34,294,456.58/9,090.64
  6. Step 6: Final answer
    x = 3,772.50

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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.