Home / 6,220.12-8,582.95-3,831.34

Finding the Fourth Proportional to 6,220.12, 8,582.95 and 3,831.34

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Solution

The fourth proportional to 6,220.12, 8,582.95 and 3,831.34 is: 5,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.12 : 8,582.95 = 3,831.34 : x
  2. Step 2: Convert to fraction form
    6,220.12/8,582.95 = 3,831.34/x
  3. Step 3: Cross multiply
    6,220.12x = 8,582.95 × 3,831.34
  4. Step 4: Simplify right side
    6,220.12x = 32,884,199.65
  5. Step 5: Solve for x
    x = 32,884,199.65/6,220.12
  6. Step 6: Final answer
    x = 5,286.75

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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.