Home / 4,980.94-6,874.35-3,217.67

Finding the Fourth Proportional to 4,980.94, 6,874.35 and 3,217.67

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Solution

The fourth proportional to 4,980.94, 6,874.35 and 3,217.67 is: 4,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.94 : 6,874.35 = 3,217.67 : x
  2. Step 2: Convert to fraction form
    4,980.94/6,874.35 = 3,217.67/x
  3. Step 3: Cross multiply
    4,980.94x = 6,874.35 × 3,217.67
  4. Step 4: Simplify right side
    4,980.94x = 22,119,389.76
  5. Step 5: Solve for x
    x = 22,119,389.76/4,980.94
  6. Step 6: Final answer
    x = 4,440.81

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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.