Home / 7,624.86-11,444.51-3,929.64

Finding the Fourth Proportional to 7,624.86, 11,444.51 and 3,929.64

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Solution

The fourth proportional to 7,624.86, 11,444.51 and 3,929.64 is: 5,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.86 : 11,444.51 = 3,929.64 : x
  2. Step 2: Convert to fraction form
    7,624.86/11,444.51 = 3,929.64/x
  3. Step 3: Cross multiply
    7,624.86x = 11,444.51 × 3,929.64
  4. Step 4: Simplify right side
    7,624.86x = 44,972,804.28
  5. Step 5: Solve for x
    x = 44,972,804.28/7,624.86
  6. Step 6: Final answer
    x = 5,898.18

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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.