Home / 8,374.42-11,554.33-5,391.98

Finding the Fourth Proportional to 8,374.42, 11,554.33 and 5,391.98

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Solution

The fourth proportional to 8,374.42, 11,554.33 and 5,391.98 is: 7,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.42 : 11,554.33 = 5,391.98 : x
  2. Step 2: Convert to fraction form
    8,374.42/11,554.33 = 5,391.98/x
  3. Step 3: Cross multiply
    8,374.42x = 11,554.33 × 5,391.98
  4. Step 4: Simplify right side
    8,374.42x = 62,300,716.27
  5. Step 5: Solve for x
    x = 62,300,716.27/8,374.42
  6. Step 6: Final answer
    x = 7,439.41

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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.