Home / 8,577.24-12,887.39-5,458.60

Finding the Fourth Proportional to 8,577.24, 12,887.39 and 5,458.60

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Solution

The fourth proportional to 8,577.24, 12,887.39 and 5,458.60 is: 8,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.24 : 12,887.39 = 5,458.60 : x
  2. Step 2: Convert to fraction form
    8,577.24/12,887.39 = 5,458.60/x
  3. Step 3: Cross multiply
    8,577.24x = 12,887.39 × 5,458.60
  4. Step 4: Simplify right side
    8,577.24x = 70,347,107.05
  5. Step 5: Solve for x
    x = 70,347,107.05/8,577.24
  6. Step 6: Final answer
    x = 8,201.60

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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.