Home / 9,091.16-13,636.90-2,851.03

Finding the Fourth Proportional to 9,091.16, 13,636.90 and 2,851.03

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Solution

The fourth proportional to 9,091.16, 13,636.90 and 2,851.03 is: 4,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.16 : 13,636.90 = 2,851.03 : x
  2. Step 2: Convert to fraction form
    9,091.16/13,636.90 = 2,851.03/x
  3. Step 3: Cross multiply
    9,091.16x = 13,636.90 × 2,851.03
  4. Step 4: Simplify right side
    9,091.16x = 38,879,142.82
  5. Step 5: Solve for x
    x = 38,879,142.82/9,091.16
  6. Step 6: Final answer
    x = 4,276.59

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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.