Home / 8,739.90-13,107.63-2,499.93

Finding the Fourth Proportional to 8,739.90, 13,107.63 and 2,499.93

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Solution

The fourth proportional to 8,739.90, 13,107.63 and 2,499.93 is: 3,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.90 : 13,107.63 = 2,499.93 : x
  2. Step 2: Convert to fraction form
    8,739.90/13,107.63 = 2,499.93/x
  3. Step 3: Cross multiply
    8,739.90x = 13,107.63 × 2,499.93
  4. Step 4: Simplify right side
    8,739.90x = 32,768,157.47
  5. Step 5: Solve for x
    x = 32,768,157.47/8,739.90
  6. Step 6: Final answer
    x = 3,749.26

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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.