Home / 7,021.29-10,531.91-2,860.37

Finding the Fourth Proportional to 7,021.29, 10,531.91 and 2,860.37

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Solution

The fourth proportional to 7,021.29, 10,531.91 and 2,860.37 is: 4,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.29 : 10,531.91 = 2,860.37 : x
  2. Step 2: Convert to fraction form
    7,021.29/10,531.91 = 2,860.37/x
  3. Step 3: Cross multiply
    7,021.29x = 10,531.91 × 2,860.37
  4. Step 4: Simplify right side
    7,021.29x = 30,125,159.41
  5. Step 5: Solve for x
    x = 30,125,159.41/7,021.29
  6. Step 6: Final answer
    x = 4,290.54

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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.