Home / 7,837.31-11,758.53-2,907.32

Finding the Fourth Proportional to 7,837.31, 11,758.53 and 2,907.32

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Solution

The fourth proportional to 7,837.31, 11,758.53 and 2,907.32 is: 4,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.31 : 11,758.53 = 2,907.32 : x
  2. Step 2: Convert to fraction form
    7,837.31/11,758.53 = 2,907.32/x
  3. Step 3: Cross multiply
    7,837.31x = 11,758.53 × 2,907.32
  4. Step 4: Simplify right side
    7,837.31x = 34,185,750.65
  5. Step 5: Solve for x
    x = 34,185,750.65/7,837.31
  6. Step 6: Final answer
    x = 4,361.93

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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.