Home / 8,092.50-12,140.09-2,828.98

Finding the Fourth Proportional to 8,092.50, 12,140.09 and 2,828.98

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Solution

The fourth proportional to 8,092.50, 12,140.09 and 2,828.98 is: 4,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.50 : 12,140.09 = 2,828.98 : x
  2. Step 2: Convert to fraction form
    8,092.50/12,140.09 = 2,828.98/x
  3. Step 3: Cross multiply
    8,092.50x = 12,140.09 × 2,828.98
  4. Step 4: Simplify right side
    8,092.50x = 34,344,071.81
  5. Step 5: Solve for x
    x = 34,344,071.81/8,092.50
  6. Step 6: Final answer
    x = 4,243.94

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1.5x scale

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.