Home / 8,707.79-13,052.74-3,440.67

Finding the Fourth Proportional to 8,707.79, 13,052.74 and 3,440.67

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Solution

The fourth proportional to 8,707.79, 13,052.74 and 3,440.67 is: 5,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.79 : 13,052.74 = 3,440.67 : x
  2. Step 2: Convert to fraction form
    8,707.79/13,052.74 = 3,440.67/x
  3. Step 3: Cross multiply
    8,707.79x = 13,052.74 × 3,440.67
  4. Step 4: Simplify right side
    8,707.79x = 44,910,170.94
  5. Step 5: Solve for x
    x = 44,910,170.94/8,707.79
  6. Step 6: Final answer
    x = 5,157.47

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1.5x scale

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.