Home / 6,555.90-9,047.09-3,571.72

Finding the Fourth Proportional to 6,555.90, 9,047.09 and 3,571.72

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Solution

The fourth proportional to 6,555.90, 9,047.09 and 3,571.72 is: 4,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.90 : 9,047.09 = 3,571.72 : x
  2. Step 2: Convert to fraction form
    6,555.90/9,047.09 = 3,571.72/x
  3. Step 3: Cross multiply
    6,555.90x = 9,047.09 × 3,571.72
  4. Step 4: Simplify right side
    6,555.90x = 32,313,654.44
  5. Step 5: Solve for x
    x = 32,313,654.44/6,555.90
  6. Step 6: Final answer
    x = 4,928.95

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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.