Home / 4,559.60-6,289.40-2,879.60

Finding the Fourth Proportional to 4,559.60, 6,289.40 and 2,879.60

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Solution

The fourth proportional to 4,559.60, 6,289.40 and 2,879.60 is: 3,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559.60 : 6,289.40 = 2,879.60 : x
  2. Step 2: Convert to fraction form
    4,559.60/6,289.40 = 2,879.60/x
  3. Step 3: Cross multiply
    4,559.60x = 6,289.40 × 2,879.60
  4. Step 4: Simplify right side
    4,559.60x = 18,110,956.24
  5. Step 5: Solve for x
    x = 18,110,956.24/4,559.60
  6. Step 6: Final answer
    x = 3,972.05

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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.