Home / 5,550.32-7,654.37-4,289.42

Finding the Fourth Proportional to 5,550.32, 7,654.37 and 4,289.42

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Solution

The fourth proportional to 5,550.32, 7,654.37 and 4,289.42 is: 5,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.32 : 7,654.37 = 4,289.42 : x
  2. Step 2: Convert to fraction form
    5,550.32/7,654.37 = 4,289.42/x
  3. Step 3: Cross multiply
    5,550.32x = 7,654.37 × 4,289.42
  4. Step 4: Simplify right side
    5,550.32x = 32,832,805.45
  5. Step 5: Solve for x
    x = 32,832,805.45/5,550.32
  6. Step 6: Final answer
    x = 5,915.48

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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.