Home / 5,471.56-7,548.40-3,579.84

Finding the Fourth Proportional to 5,471.56, 7,548.40 and 3,579.84

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Solution

The fourth proportional to 5,471.56, 7,548.40 and 3,579.84 is: 4,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.56 : 7,548.40 = 3,579.84 : x
  2. Step 2: Convert to fraction form
    5,471.56/7,548.40 = 3,579.84/x
  3. Step 3: Cross multiply
    5,471.56x = 7,548.40 × 3,579.84
  4. Step 4: Simplify right side
    5,471.56x = 27,022,064.26
  5. Step 5: Solve for x
    x = 27,022,064.26/5,471.56
  6. Step 6: Final answer
    x = 4,938.64

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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.