Home / 6,531.25-9,792.42-2,148.07

Finding the Fourth Proportional to 6,531.25, 9,792.42 and 2,148.07

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Solution

The fourth proportional to 6,531.25, 9,792.42 and 2,148.07 is: 3,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.25 : 9,792.42 = 2,148.07 : x
  2. Step 2: Convert to fraction form
    6,531.25/9,792.42 = 2,148.07/x
  3. Step 3: Cross multiply
    6,531.25x = 9,792.42 × 2,148.07
  4. Step 4: Simplify right side
    6,531.25x = 21,034,803.63
  5. Step 5: Solve for x
    x = 21,034,803.63/6,531.25
  6. Step 6: Final answer
    x = 3,220.64

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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.