Home / 8,379.04-11,562.08-5,021.38

Finding the Fourth Proportional to 8,379.04, 11,562.08 and 5,021.38

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Solution

The fourth proportional to 8,379.04, 11,562.08 and 5,021.38 is: 6,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.04 : 11,562.08 = 5,021.38 : x
  2. Step 2: Convert to fraction form
    8,379.04/11,562.08 = 5,021.38/x
  3. Step 3: Cross multiply
    8,379.04x = 11,562.08 × 5,021.38
  4. Step 4: Simplify right side
    8,379.04x = 58,057,597.27
  5. Step 5: Solve for x
    x = 58,057,597.27/8,379.04
  6. Step 6: Final answer
    x = 6,928.91

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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.