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Finding the Fourth Proportional to 6,555.92, 9,047.25 and 3,571.78

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Solution

The fourth proportional to 6,555.92, 9,047.25 and 3,571.78 is: 4,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.92 : 9,047.25 = 3,571.78 : x
  2. Step 2: Convert to fraction form
    6,555.92/9,047.25 = 3,571.78/x
  3. Step 3: Cross multiply
    6,555.92x = 9,047.25 × 3,571.78
  4. Step 4: Simplify right side
    6,555.92x = 32,314,786.61
  5. Step 5: Solve for x
    x = 32,314,786.61/6,555.92
  6. Step 6: Final answer
    x = 4,929.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.