Home / 7,950.72-11,929.32-4,057.86

Finding the Fourth Proportional to 7,950.72, 11,929.32 and 4,057.86

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Solution

The fourth proportional to 7,950.72, 11,929.32 and 4,057.86 is: 6,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.72 : 11,929.32 = 4,057.86 : x
  2. Step 2: Convert to fraction form
    7,950.72/11,929.32 = 4,057.86/x
  3. Step 3: Cross multiply
    7,950.72x = 11,929.32 × 4,057.86
  4. Step 4: Simplify right side
    7,950.72x = 48,407,510.46
  5. Step 5: Solve for x
    x = 48,407,510.46/7,950.72
  6. Step 6: Final answer
    x = 6,088.44

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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.