Home / 8,839.57-12,198.57-4,860.67

Finding the Fourth Proportional to 8,839.57, 12,198.57 and 4,860.67

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Solution

The fourth proportional to 8,839.57, 12,198.57 and 4,860.67 is: 6,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.57 : 12,198.57 = 4,860.67 : x
  2. Step 2: Convert to fraction form
    8,839.57/12,198.57 = 4,860.67/x
  3. Step 3: Cross multiply
    8,839.57x = 12,198.57 × 4,860.67
  4. Step 4: Simplify right side
    8,839.57x = 59,293,137.95
  5. Step 5: Solve for x
    x = 59,293,137.95/8,839.57
  6. Step 6: Final answer
    x = 6,707.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.