Home / 9,210.54-13,815.81-2,636.75

Finding the Fourth Proportional to 9,210.54, 13,815.81 and 2,636.75

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Solution

The fourth proportional to 9,210.54, 13,815.81 and 2,636.75 is: 3,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.54 : 13,815.81 = 2,636.75 : x
  2. Step 2: Convert to fraction form
    9,210.54/13,815.81 = 2,636.75/x
  3. Step 3: Cross multiply
    9,210.54x = 13,815.81 × 2,636.75
  4. Step 4: Simplify right side
    9,210.54x = 36,428,871.56
  5. Step 5: Solve for x
    x = 36,428,871.56/9,210.54
  6. Step 6: Final answer
    x = 3,955.13

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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.