Home / 7,312.37-10,968.56-3,419.51

Finding the Fourth Proportional to 7,312.37, 10,968.56 and 3,419.51

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Solution

The fourth proportional to 7,312.37, 10,968.56 and 3,419.51 is: 5,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.37 : 10,968.56 = 3,419.51 : x
  2. Step 2: Convert to fraction form
    7,312.37/10,968.56 = 3,419.51/x
  3. Step 3: Cross multiply
    7,312.37x = 10,968.56 × 3,419.51
  4. Step 4: Simplify right side
    7,312.37x = 37,507,083.51
  5. Step 5: Solve for x
    x = 37,507,083.51/7,312.37
  6. Step 6: Final answer
    x = 5,129.27

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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.