Home / 5,291.28-7,922.88-4,467.60

Finding the Fourth Proportional to 5,291.28, 7,922.88 and 4,467.60

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Solution

The fourth proportional to 5,291.28, 7,922.88 and 4,467.60 is: 6,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.28 : 7,922.88 = 4,467.60 : x
  2. Step 2: Convert to fraction form
    5,291.28/7,922.88 = 4,467.60/x
  3. Step 3: Cross multiply
    5,291.28x = 7,922.88 × 4,467.60
  4. Step 4: Simplify right side
    5,291.28x = 35,396,258.69
  5. Step 5: Solve for x
    x = 35,396,258.69/5,291.28
  6. Step 6: Final answer
    x = 6,689.55

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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.