Home / 4,003.56-5,528.12-2,660.45

Finding the Fourth Proportional to 4,003.56, 5,528.12 and 2,660.45

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Solution

The fourth proportional to 4,003.56, 5,528.12 and 2,660.45 is: 3,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.56 : 5,528.12 = 2,660.45 : x
  2. Step 2: Convert to fraction form
    4,003.56/5,528.12 = 2,660.45/x
  3. Step 3: Cross multiply
    4,003.56x = 5,528.12 × 2,660.45
  4. Step 4: Simplify right side
    4,003.56x = 14,707,245.91
  5. Step 5: Solve for x
    x = 14,707,245.91/4,003.56
  6. Step 6: Final answer
    x = 3,673.54

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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.