Home / 8,703.39-13,055.34-2,129.57

Finding the Fourth Proportional to 8,703.39, 13,055.34 and 2,129.57

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Solution

The fourth proportional to 8,703.39, 13,055.34 and 2,129.57 is: 3,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.39 : 13,055.34 = 2,129.57 : x
  2. Step 2: Convert to fraction form
    8,703.39/13,055.34 = 2,129.57/x
  3. Step 3: Cross multiply
    8,703.39x = 13,055.34 × 2,129.57
  4. Step 4: Simplify right side
    8,703.39x = 27,802,307.54
  5. Step 5: Solve for x
    x = 27,802,307.54/8,703.39
  6. Step 6: Final answer
    x = 3,194.42

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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.