Home / 9,217.08-13,828-2,643.72

Finding the Fourth Proportional to 9,217.08, 13,828 and 2,643.72

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Solution

The fourth proportional to 9,217.08, 13,828 and 2,643.72 is: 3,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.08 : 13,828 = 2,643.72 : x
  2. Step 2: Convert to fraction form
    9,217.08/13,828 = 2,643.72/x
  3. Step 3: Cross multiply
    9,217.08x = 13,828 × 2,643.72
  4. Step 4: Simplify right side
    9,217.08x = 36,557,360.16
  5. Step 5: Solve for x
    x = 36,557,360.16/9,217.08
  6. Step 6: Final answer
    x = 3,966.26

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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.