Home / 9,218.90-13,828.07-2,293.40

Finding the Fourth Proportional to 9,218.90, 13,828.07 and 2,293.40

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Solution

The fourth proportional to 9,218.90, 13,828.07 and 2,293.40 is: 3,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.90 : 13,828.07 = 2,293.40 : x
  2. Step 2: Convert to fraction form
    9,218.90/13,828.07 = 2,293.40/x
  3. Step 3: Cross multiply
    9,218.90x = 13,828.07 × 2,293.40
  4. Step 4: Simplify right side
    9,218.90x = 31,713,215.13
  5. Step 5: Solve for x
    x = 31,713,215.13/9,218.90
  6. Step 6: Final answer
    x = 3,440.02

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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.