Home / 5,528.44-7,628.64-3,290.01

Finding the Fourth Proportional to 5,528.44, 7,628.64 and 3,290.01

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Solution

The fourth proportional to 5,528.44, 7,628.64 and 3,290.01 is: 4,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.44 : 7,628.64 = 3,290.01 : x
  2. Step 2: Convert to fraction form
    5,528.44/7,628.64 = 3,290.01/x
  3. Step 3: Cross multiply
    5,528.44x = 7,628.64 × 3,290.01
  4. Step 4: Simplify right side
    5,528.44x = 25,098,301.89
  5. Step 5: Solve for x
    x = 25,098,301.89/5,528.44
  6. Step 6: Final answer
    x = 4,539.85

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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.