Home / 8,189.99-11,303.41-5,005.13

Finding the Fourth Proportional to 8,189.99, 11,303.41 and 5,005.13

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Solution

The fourth proportional to 8,189.99, 11,303.41 and 5,005.13 is: 6,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.99 : 11,303.41 = 5,005.13 : x
  2. Step 2: Convert to fraction form
    8,189.99/11,303.41 = 5,005.13/x
  3. Step 3: Cross multiply
    8,189.99x = 11,303.41 × 5,005.13
  4. Step 4: Simplify right side
    8,189.99x = 56,575,052.24
  5. Step 5: Solve for x
    x = 56,575,052.24/8,189.99
  6. Step 6: Final answer
    x = 6,907.83

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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.