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Finding the Fourth Proportional to 6,549.72, 9,825.30 and 2,653.80

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Solution

The fourth proportional to 6,549.72, 9,825.30 and 2,653.80 is: 3,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.72 : 9,825.30 = 2,653.80 : x
  2. Step 2: Convert to fraction form
    6,549.72/9,825.30 = 2,653.80/x
  3. Step 3: Cross multiply
    6,549.72x = 9,825.30 × 2,653.80
  4. Step 4: Simplify right side
    6,549.72x = 26,074,381.14
  5. Step 5: Solve for x
    x = 26,074,381.14/6,549.72
  6. Step 6: Final answer
    x = 3,980.99

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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.