Home / 8,701.88-13,051.32-2,858.60

Finding the Fourth Proportional to 8,701.88, 13,051.32 and 2,858.60

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Solution

The fourth proportional to 8,701.88, 13,051.32 and 2,858.60 is: 4,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.88 : 13,051.32 = 2,858.60 : x
  2. Step 2: Convert to fraction form
    8,701.88/13,051.32 = 2,858.60/x
  3. Step 3: Cross multiply
    8,701.88x = 13,051.32 × 2,858.60
  4. Step 4: Simplify right side
    8,701.88x = 37,308,503.35
  5. Step 5: Solve for x
    x = 37,308,503.35/8,701.88
  6. Step 6: Final answer
    x = 4,287.41

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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.