Home / 9,088.19-13,629.40-2,930.75

Finding the Fourth Proportional to 9,088.19, 13,629.40 and 2,930.75

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Solution

The fourth proportional to 9,088.19, 13,629.40 and 2,930.75 is: 4,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.19 : 13,629.40 = 2,930.75 : x
  2. Step 2: Convert to fraction form
    9,088.19/13,629.40 = 2,930.75/x
  3. Step 3: Cross multiply
    9,088.19x = 13,629.40 × 2,930.75
  4. Step 4: Simplify right side
    9,088.19x = 39,944,364.05
  5. Step 5: Solve for x
    x = 39,944,364.05/9,088.19
  6. Step 6: Final answer
    x = 4,395.19

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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.