Home / 8,313.90-12,469.29-3,570.89

Finding the Fourth Proportional to 8,313.90, 12,469.29 and 3,570.89

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Solution

The fourth proportional to 8,313.90, 12,469.29 and 3,570.89 is: 5,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.90 : 12,469.29 = 3,570.89 : x
  2. Step 2: Convert to fraction form
    8,313.90/12,469.29 = 3,570.89/x
  3. Step 3: Cross multiply
    8,313.90x = 12,469.29 × 3,570.89
  4. Step 4: Simplify right side
    8,313.90x = 44,526,512.53
  5. Step 5: Solve for x
    x = 44,526,512.53/8,313.90
  6. Step 6: Final answer
    x = 5,355.67

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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.