Home / 8,943.75-13,415.61-2,370.45

Finding the Fourth Proportional to 8,943.75, 13,415.61 and 2,370.45

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Solution

The fourth proportional to 8,943.75, 13,415.61 and 2,370.45 is: 3,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.75 : 13,415.61 = 2,370.45 : x
  2. Step 2: Convert to fraction form
    8,943.75/13,415.61 = 2,370.45/x
  3. Step 3: Cross multiply
    8,943.75x = 13,415.61 × 2,370.45
  4. Step 4: Simplify right side
    8,943.75x = 31,801,032.72
  5. Step 5: Solve for x
    x = 31,801,032.72/8,943.75
  6. Step 6: Final answer
    x = 3,555.67

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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.