Home / 8,860.00-13,285.77-5,163.28

Finding the Fourth Proportional to 8,860.00, 13,285.77 and 5,163.28

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Solution

The fourth proportional to 8,860.00, 13,285.77 and 5,163.28 is: 7,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.00 : 13,285.77 = 5,163.28 : x
  2. Step 2: Convert to fraction form
    8,860.00/13,285.77 = 5,163.28/x
  3. Step 3: Cross multiply
    8,860.00x = 13,285.77 × 5,163.28
  4. Step 4: Simplify right side
    8,860.00x = 68,598,126.99
  5. Step 5: Solve for x
    x = 68,598,126.99/8,860.00
  6. Step 6: Final answer
    x = 7,742.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.