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Finding the Fourth Proportional to 6,907.31, 10,361.07 and 1,713.19

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Solution

The fourth proportional to 6,907.31, 10,361.07 and 1,713.19 is: 2,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.31 : 10,361.07 = 1,713.19 : x
  2. Step 2: Convert to fraction form
    6,907.31/10,361.07 = 1,713.19/x
  3. Step 3: Cross multiply
    6,907.31x = 10,361.07 × 1,713.19
  4. Step 4: Simplify right side
    6,907.31x = 17,750,481.51
  5. Step 5: Solve for x
    x = 17,750,481.51/6,907.31
  6. Step 6: Final answer
    x = 2,569.81

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Similar ratio
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1.5x scale

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.