Home / 9,128.88-13,695.38-3,285.52

Finding the Fourth Proportional to 9,128.88, 13,695.38 and 3,285.52

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Solution

The fourth proportional to 9,128.88, 13,695.38 and 3,285.52 is: 4,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.88 : 13,695.38 = 3,285.52 : x
  2. Step 2: Convert to fraction form
    9,128.88/13,695.38 = 3,285.52/x
  3. Step 3: Cross multiply
    9,128.88x = 13,695.38 × 3,285.52
  4. Step 4: Simplify right side
    9,128.88x = 44,996,444.90
  5. Step 5: Solve for x
    x = 44,996,444.90/9,128.88
  6. Step 6: Final answer
    x = 4,929.02

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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.