Home / 5,543.82-7,648.47-3,555.54

Finding the Fourth Proportional to 5,543.82, 7,648.47 and 3,555.54

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Solution

The fourth proportional to 5,543.82, 7,648.47 and 3,555.54 is: 4,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.82 : 7,648.47 = 3,555.54 : x
  2. Step 2: Convert to fraction form
    5,543.82/7,648.47 = 3,555.54/x
  3. Step 3: Cross multiply
    5,543.82x = 7,648.47 × 3,555.54
  4. Step 4: Simplify right side
    5,543.82x = 27,194,441.02
  5. Step 5: Solve for x
    x = 27,194,441.02/5,543.82
  6. Step 6: Final answer
    x = 4,905.36

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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.