Home / 5,426.56-7,489.60-3,069.44

Finding the Fourth Proportional to 5,426.56, 7,489.60 and 3,069.44

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Solution

The fourth proportional to 5,426.56, 7,489.60 and 3,069.44 is: 4,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.56 : 7,489.60 = 3,069.44 : x
  2. Step 2: Convert to fraction form
    5,426.56/7,489.60 = 3,069.44/x
  3. Step 3: Cross multiply
    5,426.56x = 7,489.60 × 3,069.44
  4. Step 4: Simplify right side
    5,426.56x = 22,988,877.82
  5. Step 5: Solve for x
    x = 22,988,877.82/5,426.56
  6. Step 6: Final answer
    x = 4,236.36

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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.