Home / 8,749.99-13,120.65-2,904.64

Finding the Fourth Proportional to 8,749.99, 13,120.65 and 2,904.64

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Solution

The fourth proportional to 8,749.99, 13,120.65 and 2,904.64 is: 4,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.99 : 13,120.65 = 2,904.64 : x
  2. Step 2: Convert to fraction form
    8,749.99/13,120.65 = 2,904.64/x
  3. Step 3: Cross multiply
    8,749.99x = 13,120.65 × 2,904.64
  4. Step 4: Simplify right side
    8,749.99x = 38,110,764.82
  5. Step 5: Solve for x
    x = 38,110,764.82/8,749.99
  6. Step 6: Final answer
    x = 4,355.52

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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.