Home / 8,950.12-13,428.44-4,329.88

Finding the Fourth Proportional to 8,950.12, 13,428.44 and 4,329.88

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Solution

The fourth proportional to 8,950.12, 13,428.44 and 4,329.88 is: 6,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.12 : 13,428.44 = 4,329.88 : x
  2. Step 2: Convert to fraction form
    8,950.12/13,428.44 = 4,329.88/x
  3. Step 3: Cross multiply
    8,950.12x = 13,428.44 × 4,329.88
  4. Step 4: Simplify right side
    8,950.12x = 58,143,533.79
  5. Step 5: Solve for x
    x = 58,143,533.79/8,950.12
  6. Step 6: Final answer
    x = 6,496.40

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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.