Home / 5,554.89-7,665.53-3,197.43

Finding the Fourth Proportional to 5,554.89, 7,665.53 and 3,197.43

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Solution

The fourth proportional to 5,554.89, 7,665.53 and 3,197.43 is: 4,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.89 : 7,665.53 = 3,197.43 : x
  2. Step 2: Convert to fraction form
    5,554.89/7,665.53 = 3,197.43/x
  3. Step 3: Cross multiply
    5,554.89x = 7,665.53 × 3,197.43
  4. Step 4: Simplify right side
    5,554.89x = 24,509,979.60
  5. Step 5: Solve for x
    x = 24,509,979.60/5,554.89
  6. Step 6: Final answer
    x = 4,412.32

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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.