Home / 5,704.40-8,556.60-2,788.40

Finding the Fourth Proportional to 5,704.40, 8,556.60 and 2,788.40

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Solution

The fourth proportional to 5,704.40, 8,556.60 and 2,788.40 is: 4,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.40 : 8,556.60 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    5,704.40/8,556.60 = 2,788.40/x
  3. Step 3: Cross multiply
    5,704.40x = 8,556.60 × 2,788.40
  4. Step 4: Simplify right side
    5,704.40x = 23,859,223.44
  5. Step 5: Solve for x
    x = 23,859,223.44/5,704.40
  6. Step 6: Final answer
    x = 4,182.60

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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.