Home / 4,581.55-6,828.58-4,447.90

Finding the Fourth Proportional to 4,581.55, 6,828.58 and 4,447.90

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Solution

The fourth proportional to 4,581.55, 6,828.58 and 4,447.90 is: 6,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.55 : 6,828.58 = 4,447.90 : x
  2. Step 2: Convert to fraction form
    4,581.55/6,828.58 = 4,447.90/x
  3. Step 3: Cross multiply
    4,581.55x = 6,828.58 × 4,447.90
  4. Step 4: Simplify right side
    4,581.55x = 30,372,840.98
  5. Step 5: Solve for x
    x = 30,372,840.98/4,581.55
  6. Step 6: Final answer
    x = 6,629.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.