Home / 5,563.90-7,680.69-3,550.03

Finding the Fourth Proportional to 5,563.90, 7,680.69 and 3,550.03

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Solution

The fourth proportional to 5,563.90, 7,680.69 and 3,550.03 is: 4,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.90 : 7,680.69 = 3,550.03 : x
  2. Step 2: Convert to fraction form
    5,563.90/7,680.69 = 3,550.03/x
  3. Step 3: Cross multiply
    5,563.90x = 7,680.69 × 3,550.03
  4. Step 4: Simplify right side
    5,563.90x = 27,266,660.72
  5. Step 5: Solve for x
    x = 27,266,660.72/5,563.90
  6. Step 6: Final answer
    x = 4,900.64

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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.