Home / 8,265.98-12,389.63-4,108.95

Finding the Fourth Proportional to 8,265.98, 12,389.63 and 4,108.95

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Solution

The fourth proportional to 8,265.98, 12,389.63 and 4,108.95 is: 6,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.98 : 12,389.63 = 4,108.95 : x
  2. Step 2: Convert to fraction form
    8,265.98/12,389.63 = 4,108.95/x
  3. Step 3: Cross multiply
    8,265.98x = 12,389.63 × 4,108.95
  4. Step 4: Simplify right side
    8,265.98x = 50,908,349.64
  5. Step 5: Solve for x
    x = 50,908,349.64/8,265.98
  6. Step 6: Final answer
    x = 6,158.78

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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.