Home / 8,975.61-13,461.39-3,426.98

Finding the Fourth Proportional to 8,975.61, 13,461.39 and 3,426.98

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Solution

The fourth proportional to 8,975.61, 13,461.39 and 3,426.98 is: 5,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.61 : 13,461.39 = 3,426.98 : x
  2. Step 2: Convert to fraction form
    8,975.61/13,461.39 = 3,426.98/x
  3. Step 3: Cross multiply
    8,975.61x = 13,461.39 × 3,426.98
  4. Step 4: Simplify right side
    8,975.61x = 46,131,847.00
  5. Step 5: Solve for x
    x = 46,131,847.00/8,975.61
  6. Step 6: Final answer
    x = 5,139.69

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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.