Home / 9,132.50-13,690.53-3,285

Finding the Fourth Proportional to 9,132.50, 13,690.53 and 3,285

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Solution

The fourth proportional to 9,132.50, 13,690.53 and 3,285 is: 4,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.50 : 13,690.53 = 3,285 : x
  2. Step 2: Convert to fraction form
    9,132.50/13,690.53 = 3,285/x
  3. Step 3: Cross multiply
    9,132.50x = 13,690.53 × 3,285
  4. Step 4: Simplify right side
    9,132.50x = 44,973,391.05
  5. Step 5: Solve for x
    x = 44,973,391.05/9,132.50
  6. Step 6: Final answer
    x = 4,924.54

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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.