Home / 8,900.87-13,359.33-4,744.34

Finding the Fourth Proportional to 8,900.87, 13,359.33 and 4,744.34

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Solution

The fourth proportional to 8,900.87, 13,359.33 and 4,744.34 is: 7,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.87 : 13,359.33 = 4,744.34 : x
  2. Step 2: Convert to fraction form
    8,900.87/13,359.33 = 4,744.34/x
  3. Step 3: Cross multiply
    8,900.87x = 13,359.33 × 4,744.34
  4. Step 4: Simplify right side
    8,900.87x = 63,381,203.69
  5. Step 5: Solve for x
    x = 63,381,203.69/8,900.87
  6. Step 6: Final answer
    x = 7,120.79

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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.