Home / 8,738.40-13,113-3,544.32

Finding the Fourth Proportional to 8,738.40, 13,113 and 3,544.32

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Solution

The fourth proportional to 8,738.40, 13,113 and 3,544.32 is: 5,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.40 : 13,113 = 3,544.32 : x
  2. Step 2: Convert to fraction form
    8,738.40/13,113 = 3,544.32/x
  3. Step 3: Cross multiply
    8,738.40x = 13,113 × 3,544.32
  4. Step 4: Simplify right side
    8,738.40x = 46,476,668.16
  5. Step 5: Solve for x
    x = 46,476,668.16/8,738.40
  6. Step 6: Final answer
    x = 5,318.67

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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.