Home / 7,717.86-10,650.58-4,180.99

Finding the Fourth Proportional to 7,717.86, 10,650.58 and 4,180.99

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Solution

The fourth proportional to 7,717.86, 10,650.58 and 4,180.99 is: 5,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.86 : 10,650.58 = 4,180.99 : x
  2. Step 2: Convert to fraction form
    7,717.86/10,650.58 = 4,180.99/x
  3. Step 3: Cross multiply
    7,717.86x = 10,650.58 × 4,180.99
  4. Step 4: Simplify right side
    7,717.86x = 44,529,968.47
  5. Step 5: Solve for x
    x = 44,529,968.47/7,717.86
  6. Step 6: Final answer
    x = 5,769.73

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1.5x scale

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.