Home / 9,048.60-13,575.81-2,809.85

Finding the Fourth Proportional to 9,048.60, 13,575.81 and 2,809.85

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Solution

The fourth proportional to 9,048.60, 13,575.81 and 2,809.85 is: 4,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.60 : 13,575.81 = 2,809.85 : x
  2. Step 2: Convert to fraction form
    9,048.60/13,575.81 = 2,809.85/x
  3. Step 3: Cross multiply
    9,048.60x = 13,575.81 × 2,809.85
  4. Step 4: Simplify right side
    9,048.60x = 38,145,921.85
  5. Step 5: Solve for x
    x = 38,145,921.85/9,048.60
  6. Step 6: Final answer
    x = 4,215.67

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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.