Home / 6,812.80-10,208.40-4,501.60

Finding the Fourth Proportional to 6,812.80, 10,208.40 and 4,501.60

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Solution

The fourth proportional to 6,812.80, 10,208.40 and 4,501.60 is: 6,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.80 : 10,208.40 = 4,501.60 : x
  2. Step 2: Convert to fraction form
    6,812.80/10,208.40 = 4,501.60/x
  3. Step 3: Cross multiply
    6,812.80x = 10,208.40 × 4,501.60
  4. Step 4: Simplify right side
    6,812.80x = 45,954,133.44
  5. Step 5: Solve for x
    x = 45,954,133.44/6,812.80
  6. Step 6: Final answer
    x = 6,745.26

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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.