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Finding the Fourth Proportional to 6,450.00, 8,900.14 and 3,578.68

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Solution

The fourth proportional to 6,450.00, 8,900.14 and 3,578.68 is: 4,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.00 : 8,900.14 = 3,578.68 : x
  2. Step 2: Convert to fraction form
    6,450.00/8,900.14 = 3,578.68/x
  3. Step 3: Cross multiply
    6,450.00x = 8,900.14 × 3,578.68
  4. Step 4: Simplify right side
    6,450.00x = 31,850,721.77
  5. Step 5: Solve for x
    x = 31,850,721.77/6,450.00
  6. Step 6: Final answer
    x = 4,938.10

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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.