Home / 7,664.85-11,488.86-4,370.67

Finding the Fourth Proportional to 7,664.85, 11,488.86 and 4,370.67

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Solution

The fourth proportional to 7,664.85, 11,488.86 and 4,370.67 is: 6,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.85 : 11,488.86 = 4,370.67 : x
  2. Step 2: Convert to fraction form
    7,664.85/11,488.86 = 4,370.67/x
  3. Step 3: Cross multiply
    7,664.85x = 11,488.86 × 4,370.67
  4. Step 4: Simplify right side
    7,664.85x = 50,214,015.74
  5. Step 5: Solve for x
    x = 50,214,015.74/7,664.85
  6. Step 6: Final answer
    x = 6,551.21

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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.