Home / 8,703.90-13,054.62-2,859.75

Finding the Fourth Proportional to 8,703.90, 13,054.62 and 2,859.75

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Solution

The fourth proportional to 8,703.90, 13,054.62 and 2,859.75 is: 4,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.90 : 13,054.62 = 2,859.75 : x
  2. Step 2: Convert to fraction form
    8,703.90/13,054.62 = 2,859.75/x
  3. Step 3: Cross multiply
    8,703.90x = 13,054.62 × 2,859.75
  4. Step 4: Simplify right side
    8,703.90x = 37,332,949.55
  5. Step 5: Solve for x
    x = 37,332,949.55/8,703.90
  6. Step 6: Final answer
    x = 4,289.22

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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.