Home / 8,970.33-13,453.51-3,421.73

Finding the Fourth Proportional to 8,970.33, 13,453.51 and 3,421.73

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Solution

The fourth proportional to 8,970.33, 13,453.51 and 3,421.73 is: 5,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.33 : 13,453.51 = 3,421.73 : x
  2. Step 2: Convert to fraction form
    8,970.33/13,453.51 = 3,421.73/x
  3. Step 3: Cross multiply
    8,970.33x = 13,453.51 × 3,421.73
  4. Step 4: Simplify right side
    8,970.33x = 46,034,278.77
  5. Step 5: Solve for x
    x = 46,034,278.77/8,970.33
  6. Step 6: Final answer
    x = 5,131.84

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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.