Home / 5,554.68-7,665.45-3,164.55

Finding the Fourth Proportional to 5,554.68, 7,665.45 and 3,164.55

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Solution

The fourth proportional to 5,554.68, 7,665.45 and 3,164.55 is: 4,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.68 : 7,665.45 = 3,164.55 : x
  2. Step 2: Convert to fraction form
    5,554.68/7,665.45 = 3,164.55/x
  3. Step 3: Cross multiply
    5,554.68x = 7,665.45 × 3,164.55
  4. Step 4: Simplify right side
    5,554.68x = 24,257,699.80
  5. Step 5: Solve for x
    x = 24,257,699.80/5,554.68
  6. Step 6: Final answer
    x = 4,367.07

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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.