Home / 5,513.80-8,270.70-3,047.35

Finding the Fourth Proportional to 5,513.80, 8,270.70 and 3,047.35

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Solution

The fourth proportional to 5,513.80, 8,270.70 and 3,047.35 is: 4,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.80 : 8,270.70 = 3,047.35 : x
  2. Step 2: Convert to fraction form
    5,513.80/8,270.70 = 3,047.35/x
  3. Step 3: Cross multiply
    5,513.80x = 8,270.70 × 3,047.35
  4. Step 4: Simplify right side
    5,513.80x = 25,203,717.65
  5. Step 5: Solve for x
    x = 25,203,717.65/5,513.80
  6. Step 6: Final answer
    x = 4,571.03

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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.