Home / 8,708.10-13,058.37-3,159.60

Finding the Fourth Proportional to 8,708.10, 13,058.37 and 3,159.60

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Solution

The fourth proportional to 8,708.10, 13,058.37 and 3,159.60 is: 4,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.10 : 13,058.37 = 3,159.60 : x
  2. Step 2: Convert to fraction form
    8,708.10/13,058.37 = 3,159.60/x
  3. Step 3: Cross multiply
    8,708.10x = 13,058.37 × 3,159.60
  4. Step 4: Simplify right side
    8,708.10x = 41,259,225.85
  5. Step 5: Solve for x
    x = 41,259,225.85/8,708.10
  6. Step 6: Final answer
    x = 4,738.03

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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.