Home / 9,078.72-13,619.06-2,837.68

Finding the Fourth Proportional to 9,078.72, 13,619.06 and 2,837.68

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Solution

The fourth proportional to 9,078.72, 13,619.06 and 2,837.68 is: 4,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.72 : 13,619.06 = 2,837.68 : x
  2. Step 2: Convert to fraction form
    9,078.72/13,619.06 = 2,837.68/x
  3. Step 3: Cross multiply
    9,078.72x = 13,619.06 × 2,837.68
  4. Step 4: Simplify right side
    9,078.72x = 38,646,534.18
  5. Step 5: Solve for x
    x = 38,646,534.18/9,078.72
  6. Step 6: Final answer
    x = 4,256.83

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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.