Home / 8,718.26-13,077.40-3,527.78

Finding the Fourth Proportional to 8,718.26, 13,077.40 and 3,527.78

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Solution

The fourth proportional to 8,718.26, 13,077.40 and 3,527.78 is: 5,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.26 : 13,077.40 = 3,527.78 : x
  2. Step 2: Convert to fraction form
    8,718.26/13,077.40 = 3,527.78/x
  3. Step 3: Cross multiply
    8,718.26x = 13,077.40 × 3,527.78
  4. Step 4: Simplify right side
    8,718.26x = 46,134,190.17
  5. Step 5: Solve for x
    x = 46,134,190.17/8,718.26
  6. Step 6: Final answer
    x = 5,291.67

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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.