Home / 4,811.16-6,639.39-2,715.27

Finding the Fourth Proportional to 4,811.16, 6,639.39 and 2,715.27

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Solution

The fourth proportional to 4,811.16, 6,639.39 and 2,715.27 is: 3,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.16 : 6,639.39 = 2,715.27 : x
  2. Step 2: Convert to fraction form
    4,811.16/6,639.39 = 2,715.27/x
  3. Step 3: Cross multiply
    4,811.16x = 6,639.39 × 2,715.27
  4. Step 4: Simplify right side
    4,811.16x = 18,027,736.49
  5. Step 5: Solve for x
    x = 18,027,736.49/4,811.16
  6. Step 6: Final answer
    x = 3,747.07

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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.