Home / 7,686.76-11,529.87-2,492.50

Finding the Fourth Proportional to 7,686.76, 11,529.87 and 2,492.50

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Solution

The fourth proportional to 7,686.76, 11,529.87 and 2,492.50 is: 3,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.76 : 11,529.87 = 2,492.50 : x
  2. Step 2: Convert to fraction form
    7,686.76/11,529.87 = 2,492.50/x
  3. Step 3: Cross multiply
    7,686.76x = 11,529.87 × 2,492.50
  4. Step 4: Simplify right side
    7,686.76x = 28,738,200.98
  5. Step 5: Solve for x
    x = 28,738,200.98/7,686.76
  6. Step 6: Final answer
    x = 3,738.66

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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.