Home / 8,289.16-11,399.83-6,590.59

Finding the Fourth Proportional to 8,289.16, 11,399.83 and 6,590.59

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Solution

The fourth proportional to 8,289.16, 11,399.83 and 6,590.59 is: 9,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.16 : 11,399.83 = 6,590.59 : x
  2. Step 2: Convert to fraction form
    8,289.16/11,399.83 = 6,590.59/x
  3. Step 3: Cross multiply
    8,289.16x = 11,399.83 × 6,590.59
  4. Step 4: Simplify right side
    8,289.16x = 75,131,605.60
  5. Step 5: Solve for x
    x = 75,131,605.60/8,289.16
  6. Step 6: Final answer
    x = 9,063.84

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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.