Home / 7,518.10-11,277.71-2,253

Finding the Fourth Proportional to 7,518.10, 11,277.71 and 2,253

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Solution

The fourth proportional to 7,518.10, 11,277.71 and 2,253 is: 3,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.10 : 11,277.71 = 2,253 : x
  2. Step 2: Convert to fraction form
    7,518.10/11,277.71 = 2,253/x
  3. Step 3: Cross multiply
    7,518.10x = 11,277.71 × 2,253
  4. Step 4: Simplify right side
    7,518.10x = 25,408,680.63
  5. Step 5: Solve for x
    x = 25,408,680.63/7,518.10
  6. Step 6: Final answer
    x = 3,379.67

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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.