Home / 4,111-6,169.86-2,880.88

Finding the Fourth Proportional to 4,111, 6,169.86 and 2,880.88

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Solution

The fourth proportional to 4,111, 6,169.86 and 2,880.88 is: 4,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111 : 6,169.86 = 2,880.88 : x
  2. Step 2: Convert to fraction form
    4,111/6,169.86 = 2,880.88/x
  3. Step 3: Cross multiply
    4,111x = 6,169.86 × 2,880.88
  4. Step 4: Simplify right side
    4,111x = 17,774,626.28
  5. Step 5: Solve for x
    x = 17,774,626.28/4,111
  6. Step 6: Final answer
    x = 4,323.67

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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.