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Finding the Fourth Proportional to 6,549.55, 9,828.38 and 2,653.99

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Solution

The fourth proportional to 6,549.55, 9,828.38 and 2,653.99 is: 3,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.55 : 9,828.38 = 2,653.99 : x
  2. Step 2: Convert to fraction form
    6,549.55/9,828.38 = 2,653.99/x
  3. Step 3: Cross multiply
    6,549.55x = 9,828.38 × 2,653.99
  4. Step 4: Simplify right side
    6,549.55x = 26,084,408.97
  5. Step 5: Solve for x
    x = 26,084,408.97/6,549.55
  6. Step 6: Final answer
    x = 3,982.63

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1.5x scale

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.