Home / 5,556.40-8,334.60-3,216.40

Finding the Fourth Proportional to 5,556.40, 8,334.60 and 3,216.40

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Solution

The fourth proportional to 5,556.40, 8,334.60 and 3,216.40 is: 4,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.40 : 8,334.60 = 3,216.40 : x
  2. Step 2: Convert to fraction form
    5,556.40/8,334.60 = 3,216.40/x
  3. Step 3: Cross multiply
    5,556.40x = 8,334.60 × 3,216.40
  4. Step 4: Simplify right side
    5,556.40x = 26,807,407.44
  5. Step 5: Solve for x
    x = 26,807,407.44/5,556.40
  6. Step 6: Final answer
    x = 4,824.60

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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.