Home / 7,823.99-11,732.88-4,539.39

Finding the Fourth Proportional to 7,823.99, 11,732.88 and 4,539.39

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Solution

The fourth proportional to 7,823.99, 11,732.88 and 4,539.39 is: 6,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.99 : 11,732.88 = 4,539.39 : x
  2. Step 2: Convert to fraction form
    7,823.99/11,732.88 = 4,539.39/x
  3. Step 3: Cross multiply
    7,823.99x = 11,732.88 × 4,539.39
  4. Step 4: Simplify right side
    7,823.99x = 53,260,118.86
  5. Step 5: Solve for x
    x = 53,260,118.86/7,823.99
  6. Step 6: Final answer
    x = 6,807.28

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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.