Home / 8,428.98-12,651.24-4,271.94

Finding the Fourth Proportional to 8,428.98, 12,651.24 and 4,271.94

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Solution

The fourth proportional to 8,428.98, 12,651.24 and 4,271.94 is: 6,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.98 : 12,651.24 = 4,271.94 : x
  2. Step 2: Convert to fraction form
    8,428.98/12,651.24 = 4,271.94/x
  3. Step 3: Cross multiply
    8,428.98x = 12,651.24 × 4,271.94
  4. Step 4: Simplify right side
    8,428.98x = 54,045,295.90
  5. Step 5: Solve for x
    x = 54,045,295.90/8,428.98
  6. Step 6: Final answer
    x = 6,411.84

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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.