Home / 9,089.31-13,639.23-3,823.90

Finding the Fourth Proportional to 9,089.31, 13,639.23 and 3,823.90

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Solution

The fourth proportional to 9,089.31, 13,639.23 and 3,823.90 is: 5,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.31 : 13,639.23 = 3,823.90 : x
  2. Step 2: Convert to fraction form
    9,089.31/13,639.23 = 3,823.90/x
  3. Step 3: Cross multiply
    9,089.31x = 13,639.23 × 3,823.90
  4. Step 4: Simplify right side
    9,089.31x = 52,155,094.22
  5. Step 5: Solve for x
    x = 52,155,094.22/9,089.31
  6. Step 6: Final answer
    x = 5,738.07

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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.