Home / 6,685.93-10,028.90-3,220.75

Finding the Fourth Proportional to 6,685.93, 10,028.90 and 3,220.75

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Solution

The fourth proportional to 6,685.93, 10,028.90 and 3,220.75 is: 4,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.93 : 10,028.90 = 3,220.75 : x
  2. Step 2: Convert to fraction form
    6,685.93/10,028.90 = 3,220.75/x
  3. Step 3: Cross multiply
    6,685.93x = 10,028.90 × 3,220.75
  4. Step 4: Simplify right side
    6,685.93x = 32,300,579.68
  5. Step 5: Solve for x
    x = 32,300,579.68/6,685.93
  6. Step 6: Final answer
    x = 4,831.13

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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.