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Finding the Fourth Proportional to 6,712.50, 10,070.19 and 2,608.50

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Solution

The fourth proportional to 6,712.50, 10,070.19 and 2,608.50 is: 3,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.50 : 10,070.19 = 2,608.50 : x
  2. Step 2: Convert to fraction form
    6,712.50/10,070.19 = 2,608.50/x
  3. Step 3: Cross multiply
    6,712.50x = 10,070.19 × 2,608.50
  4. Step 4: Simplify right side
    6,712.50x = 26,268,090.62
  5. Step 5: Solve for x
    x = 26,268,090.62/6,712.50
  6. Step 6: Final answer
    x = 3,913.31

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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.