Home / 8,399.34-11,590.92-5,257.26

Finding the Fourth Proportional to 8,399.34, 11,590.92 and 5,257.26

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Solution

The fourth proportional to 8,399.34, 11,590.92 and 5,257.26 is: 7,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.34 : 11,590.92 = 5,257.26 : x
  2. Step 2: Convert to fraction form
    8,399.34/11,590.92 = 5,257.26/x
  3. Step 3: Cross multiply
    8,399.34x = 11,590.92 × 5,257.26
  4. Step 4: Simplify right side
    8,399.34x = 60,936,480.08
  5. Step 5: Solve for x
    x = 60,936,480.08/8,399.34
  6. Step 6: Final answer
    x = 7,254.91

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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.