Home / 4,474.86-6,716.88-2,989.59

Finding the Fourth Proportional to 4,474.86, 6,716.88 and 2,989.59

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Solution

The fourth proportional to 4,474.86, 6,716.88 and 2,989.59 is: 4,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.86 : 6,716.88 = 2,989.59 : x
  2. Step 2: Convert to fraction form
    4,474.86/6,716.88 = 2,989.59/x
  3. Step 3: Cross multiply
    4,474.86x = 6,716.88 × 2,989.59
  4. Step 4: Simplify right side
    4,474.86x = 20,080,717.28
  5. Step 5: Solve for x
    x = 20,080,717.28/4,474.86
  6. Step 6: Final answer
    x = 4,487.45

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1.5x scale

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.