Home / 8,949.96-12,351.22-4,971.67

Finding the Fourth Proportional to 8,949.96, 12,351.22 and 4,971.67

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Solution

The fourth proportional to 8,949.96, 12,351.22 and 4,971.67 is: 6,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.96 : 12,351.22 = 4,971.67 : x
  2. Step 2: Convert to fraction form
    8,949.96/12,351.22 = 4,971.67/x
  3. Step 3: Cross multiply
    8,949.96x = 12,351.22 × 4,971.67
  4. Step 4: Simplify right side
    8,949.96x = 61,406,146.63
  5. Step 5: Solve for x
    x = 61,406,146.63/8,949.96
  6. Step 6: Final answer
    x = 6,861.05

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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.