Home / 6,556.67-9,831.36-2,171.74

Finding the Fourth Proportional to 6,556.67, 9,831.36 and 2,171.74

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Solution

The fourth proportional to 6,556.67, 9,831.36 and 2,171.74 is: 3,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.67 : 9,831.36 = 2,171.74 : x
  2. Step 2: Convert to fraction form
    6,556.67/9,831.36 = 2,171.74/x
  3. Step 3: Cross multiply
    6,556.67x = 9,831.36 × 2,171.74
  4. Step 4: Simplify right side
    6,556.67x = 21,351,157.77
  5. Step 5: Solve for x
    x = 21,351,157.77/6,556.67
  6. Step 6: Final answer
    x = 3,256.40

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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.