Home / 7,039.71-10,557.14-2,108.03

Finding the Fourth Proportional to 7,039.71, 10,557.14 and 2,108.03

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Solution

The fourth proportional to 7,039.71, 10,557.14 and 2,108.03 is: 3,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.71 : 10,557.14 = 2,108.03 : x
  2. Step 2: Convert to fraction form
    7,039.71/10,557.14 = 2,108.03/x
  3. Step 3: Cross multiply
    7,039.71x = 10,557.14 × 2,108.03
  4. Step 4: Simplify right side
    7,039.71x = 22,254,704.51
  5. Step 5: Solve for x
    x = 22,254,704.51/7,039.71
  6. Step 6: Final answer
    x = 3,161.31

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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.