Home / 5,541.53-7,643.39-3,301.68

Finding the Fourth Proportional to 5,541.53, 7,643.39 and 3,301.68

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Solution

The fourth proportional to 5,541.53, 7,643.39 and 3,301.68 is: 4,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.53 : 7,643.39 = 3,301.68 : x
  2. Step 2: Convert to fraction form
    5,541.53/7,643.39 = 3,301.68/x
  3. Step 3: Cross multiply
    5,541.53x = 7,643.39 × 3,301.68
  4. Step 4: Simplify right side
    5,541.53x = 25,236,027.90
  5. Step 5: Solve for x
    x = 25,236,027.90/5,541.53
  6. Step 6: Final answer
    x = 4,553.98

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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.