Home / 9,100.36-13,650.53-2,860.92

Finding the Fourth Proportional to 9,100.36, 13,650.53 and 2,860.92

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Solution

The fourth proportional to 9,100.36, 13,650.53 and 2,860.92 is: 4,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.36 : 13,650.53 = 2,860.92 : x
  2. Step 2: Convert to fraction form
    9,100.36/13,650.53 = 2,860.92/x
  3. Step 3: Cross multiply
    9,100.36x = 13,650.53 × 2,860.92
  4. Step 4: Simplify right side
    9,100.36x = 39,053,039.75
  5. Step 5: Solve for x
    x = 39,053,039.75/9,100.36
  6. Step 6: Final answer
    x = 4,291.37

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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.