Home / 9,128.84-13,695.33-2,889.24

Finding the Fourth Proportional to 9,128.84, 13,695.33 and 2,889.24

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Solution

The fourth proportional to 9,128.84, 13,695.33 and 2,889.24 is: 4,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.84 : 13,695.33 = 2,889.24 : x
  2. Step 2: Convert to fraction form
    9,128.84/13,695.33 = 2,889.24/x
  3. Step 3: Cross multiply
    9,128.84x = 13,695.33 × 2,889.24
  4. Step 4: Simplify right side
    9,128.84x = 39,569,095.25
  5. Step 5: Solve for x
    x = 39,569,095.25/9,128.84
  6. Step 6: Final answer
    x = 4,334.52

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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.