Home / 8,287.23-11,435.96-4,929.99

Finding the Fourth Proportional to 8,287.23, 11,435.96 and 4,929.99

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Solution

The fourth proportional to 8,287.23, 11,435.96 and 4,929.99 is: 6,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.23 : 11,435.96 = 4,929.99 : x
  2. Step 2: Convert to fraction form
    8,287.23/11,435.96 = 4,929.99/x
  3. Step 3: Cross multiply
    8,287.23x = 11,435.96 × 4,929.99
  4. Step 4: Simplify right side
    8,287.23x = 56,379,143.79
  5. Step 5: Solve for x
    x = 56,379,143.79/8,287.23
  6. Step 6: Final answer
    x = 6,803.13

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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.