Home / 6,943.31-10,412.15-2,939.07

Finding the Fourth Proportional to 6,943.31, 10,412.15 and 2,939.07

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Solution

The fourth proportional to 6,943.31, 10,412.15 and 2,939.07 is: 4,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.31 : 10,412.15 = 2,939.07 : x
  2. Step 2: Convert to fraction form
    6,943.31/10,412.15 = 2,939.07/x
  3. Step 3: Cross multiply
    6,943.31x = 10,412.15 × 2,939.07
  4. Step 4: Simplify right side
    6,943.31x = 30,602,023.01
  5. Step 5: Solve for x
    x = 30,602,023.01/6,943.31
  6. Step 6: Final answer
    x = 4,407.41

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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.