Home / 6,458.00-8,912.13-3,625.21

Finding the Fourth Proportional to 6,458.00, 8,912.13 and 3,625.21

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Solution

The fourth proportional to 6,458.00, 8,912.13 and 3,625.21 is: 5,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.00 : 8,912.13 = 3,625.21 : x
  2. Step 2: Convert to fraction form
    6,458.00/8,912.13 = 3,625.21/x
  3. Step 3: Cross multiply
    6,458.00x = 8,912.13 × 3,625.21
  4. Step 4: Simplify right side
    6,458.00x = 32,308,338.48
  5. Step 5: Solve for x
    x = 32,308,338.48/6,458.00
  6. Step 6: Final answer
    x = 5,002.84

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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.