Home / 5,346.88-7,377.60-3,932.80

Finding the Fourth Proportional to 5,346.88, 7,377.60 and 3,932.80

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Solution

The fourth proportional to 5,346.88, 7,377.60 and 3,932.80 is: 5,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.88 : 7,377.60 = 3,932.80 : x
  2. Step 2: Convert to fraction form
    5,346.88/7,377.60 = 3,932.80/x
  3. Step 3: Cross multiply
    5,346.88x = 7,377.60 × 3,932.80
  4. Step 4: Simplify right side
    5,346.88x = 29,014,625.28
  5. Step 5: Solve for x
    x = 29,014,625.28/5,346.88
  6. Step 6: Final answer
    x = 5,426.46

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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.