Home / 7,002.75-10,503.74-2,619.87

Finding the Fourth Proportional to 7,002.75, 10,503.74 and 2,619.87

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Solution

The fourth proportional to 7,002.75, 10,503.74 and 2,619.87 is: 3,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.75 : 10,503.74 = 2,619.87 : x
  2. Step 2: Convert to fraction form
    7,002.75/10,503.74 = 2,619.87/x
  3. Step 3: Cross multiply
    7,002.75x = 10,503.74 × 2,619.87
  4. Step 4: Simplify right side
    7,002.75x = 27,518,466.12
  5. Step 5: Solve for x
    x = 27,518,466.12/7,002.75
  6. Step 6: Final answer
    x = 3,929.67

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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.