Home / 4,811.26-6,640.12-2,822.58

Finding the Fourth Proportional to 4,811.26, 6,640.12 and 2,822.58

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Solution

The fourth proportional to 4,811.26, 6,640.12 and 2,822.58 is: 3,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.26 : 6,640.12 = 2,822.58 : x
  2. Step 2: Convert to fraction form
    4,811.26/6,640.12 = 2,822.58/x
  3. Step 3: Cross multiply
    4,811.26x = 6,640.12 × 2,822.58
  4. Step 4: Simplify right side
    4,811.26x = 18,742,269.91
  5. Step 5: Solve for x
    x = 18,742,269.91/4,811.26
  6. Step 6: Final answer
    x = 3,895.50

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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.