Home / 5,291.46-7,938.74-2,369.09

Finding the Fourth Proportional to 5,291.46, 7,938.74 and 2,369.09

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Solution

The fourth proportional to 5,291.46, 7,938.74 and 2,369.09 is: 3,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.46 : 7,938.74 = 2,369.09 : x
  2. Step 2: Convert to fraction form
    5,291.46/7,938.74 = 2,369.09/x
  3. Step 3: Cross multiply
    5,291.46x = 7,938.74 × 2,369.09
  4. Step 4: Simplify right side
    5,291.46x = 18,807,589.55
  5. Step 5: Solve for x
    x = 18,807,589.55/5,291.46
  6. Step 6: Final answer
    x = 3,554.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.