Home / 9,090.90-13,633.79-2,515.46

Finding the Fourth Proportional to 9,090.90, 13,633.79 and 2,515.46

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Solution

The fourth proportional to 9,090.90, 13,633.79 and 2,515.46 is: 3,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.90 : 13,633.79 = 2,515.46 : x
  2. Step 2: Convert to fraction form
    9,090.90/13,633.79 = 2,515.46/x
  3. Step 3: Cross multiply
    9,090.90x = 13,633.79 × 2,515.46
  4. Step 4: Simplify right side
    9,090.90x = 34,295,172.65
  5. Step 5: Solve for x
    x = 34,295,172.65/9,090.90
  6. Step 6: Final answer
    x = 3,772.47

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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.