Home / 4,811.55-6,640.43-3,043.32

Finding the Fourth Proportional to 4,811.55, 6,640.43 and 3,043.32

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Solution

The fourth proportional to 4,811.55, 6,640.43 and 3,043.32 is: 4,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.55 : 6,640.43 = 3,043.32 : x
  2. Step 2: Convert to fraction form
    4,811.55/6,640.43 = 3,043.32/x
  3. Step 3: Cross multiply
    4,811.55x = 6,640.43 × 3,043.32
  4. Step 4: Simplify right side
    4,811.55x = 20,208,938.21
  5. Step 5: Solve for x
    x = 20,208,938.21/4,811.55
  6. Step 6: Final answer
    x = 4,200.09

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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.