Home / 8,399.00-11,588.21-5,416.54

Finding the Fourth Proportional to 8,399.00, 11,588.21 and 5,416.54

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Solution

The fourth proportional to 8,399.00, 11,588.21 and 5,416.54 is: 7,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.00 : 11,588.21 = 5,416.54 : x
  2. Step 2: Convert to fraction form
    8,399.00/11,588.21 = 5,416.54/x
  3. Step 3: Cross multiply
    8,399.00x = 11,588.21 × 5,416.54
  4. Step 4: Simplify right side
    8,399.00x = 62,768,010.71
  5. Step 5: Solve for x
    x = 62,768,010.71/8,399.00
  6. Step 6: Final answer
    x = 7,473.28

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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.