Home / 8,310.49-12,455.34-4,151.66

Finding the Fourth Proportional to 8,310.49, 12,455.34 and 4,151.66

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Solution

The fourth proportional to 8,310.49, 12,455.34 and 4,151.66 is: 6,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.49 : 12,455.34 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    8,310.49/12,455.34 = 4,151.66/x
  3. Step 3: Cross multiply
    8,310.49x = 12,455.34 × 4,151.66
  4. Step 4: Simplify right side
    8,310.49x = 51,710,329.08
  5. Step 5: Solve for x
    x = 51,710,329.08/8,310.49
  6. Step 6: Final answer
    x = 6,222.30

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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.