Home / 8,739.06-13,107.60-2,499.60

Finding the Fourth Proportional to 8,739.06, 13,107.60 and 2,499.60

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Solution

The fourth proportional to 8,739.06, 13,107.60 and 2,499.60 is: 3,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.06 : 13,107.60 = 2,499.60 : x
  2. Step 2: Convert to fraction form
    8,739.06/13,107.60 = 2,499.60/x
  3. Step 3: Cross multiply
    8,739.06x = 13,107.60 × 2,499.60
  4. Step 4: Simplify right side
    8,739.06x = 32,763,756.96
  5. Step 5: Solve for x
    x = 32,763,756.96/8,739.06
  6. Step 6: Final answer
    x = 3,749.12

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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.