Home / 8,243.50-11,376.03-4,931.50

Finding the Fourth Proportional to 8,243.50, 11,376.03 and 4,931.50

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Solution

The fourth proportional to 8,243.50, 11,376.03 and 4,931.50 is: 6,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.50 : 11,376.03 = 4,931.50 : x
  2. Step 2: Convert to fraction form
    8,243.50/11,376.03 = 4,931.50/x
  3. Step 3: Cross multiply
    8,243.50x = 11,376.03 × 4,931.50
  4. Step 4: Simplify right side
    8,243.50x = 56,100,891.95
  5. Step 5: Solve for x
    x = 56,100,891.95/8,243.50
  6. Step 6: Final answer
    x = 6,805.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.