Home / 6,626.54-9,143.60-3,831.50

Finding the Fourth Proportional to 6,626.54, 9,143.60 and 3,831.50

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Solution

The fourth proportional to 6,626.54, 9,143.60 and 3,831.50 is: 5,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.54 : 9,143.60 = 3,831.50 : x
  2. Step 2: Convert to fraction form
    6,626.54/9,143.60 = 3,831.50/x
  3. Step 3: Cross multiply
    6,626.54x = 9,143.60 × 3,831.50
  4. Step 4: Simplify right side
    6,626.54x = 35,033,703.40
  5. Step 5: Solve for x
    x = 35,033,703.40/6,626.54
  6. Step 6: Final answer
    x = 5,286.88

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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.