Home / 7,054.14-10,575.72-3,161.28

Finding the Fourth Proportional to 7,054.14, 10,575.72 and 3,161.28

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Solution

The fourth proportional to 7,054.14, 10,575.72 and 3,161.28 is: 4,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.14 : 10,575.72 = 3,161.28 : x
  2. Step 2: Convert to fraction form
    7,054.14/10,575.72 = 3,161.28/x
  3. Step 3: Cross multiply
    7,054.14x = 10,575.72 × 3,161.28
  4. Step 4: Simplify right side
    7,054.14x = 33,432,812.12
  5. Step 5: Solve for x
    x = 33,432,812.12/7,054.14
  6. Step 6: Final answer
    x = 4,739.46

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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.