Home / 7,583.45-11,370.91-3,138.60

Finding the Fourth Proportional to 7,583.45, 11,370.91 and 3,138.60

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Solution

The fourth proportional to 7,583.45, 11,370.91 and 3,138.60 is: 4,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.45 : 11,370.91 = 3,138.60 : x
  2. Step 2: Convert to fraction form
    7,583.45/11,370.91 = 3,138.60/x
  3. Step 3: Cross multiply
    7,583.45x = 11,370.91 × 3,138.60
  4. Step 4: Simplify right side
    7,583.45x = 35,688,706.02
  5. Step 5: Solve for x
    x = 35,688,706.02/7,583.45
  6. Step 6: Final answer
    x = 4,706.13

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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.