Home / 4,811.18-6,640.53-2,822.37

Finding the Fourth Proportional to 4,811.18, 6,640.53 and 2,822.37

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Solution

The fourth proportional to 4,811.18, 6,640.53 and 2,822.37 is: 3,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.18 : 6,640.53 = 2,822.37 : x
  2. Step 2: Convert to fraction form
    4,811.18/6,640.53 = 2,822.37/x
  3. Step 3: Cross multiply
    4,811.18x = 6,640.53 × 2,822.37
  4. Step 4: Simplify right side
    4,811.18x = 18,742,049.26
  5. Step 5: Solve for x
    x = 18,742,049.26/4,811.18
  6. Step 6: Final answer
    x = 3,895.52

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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.