Home / 6,961.38-10,439.49-4,880.32

Finding the Fourth Proportional to 6,961.38, 10,439.49 and 4,880.32

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Solution

The fourth proportional to 6,961.38, 10,439.49 and 4,880.32 is: 7,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.38 : 10,439.49 = 4,880.32 : x
  2. Step 2: Convert to fraction form
    6,961.38/10,439.49 = 4,880.32/x
  3. Step 3: Cross multiply
    6,961.38x = 10,439.49 × 4,880.32
  4. Step 4: Simplify right side
    6,961.38x = 50,948,051.84
  5. Step 5: Solve for x
    x = 50,948,051.84/6,961.38
  6. Step 6: Final answer
    x = 7,318.67

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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.