Home / 4,509.64-6,222.72-2,939.86

Finding the Fourth Proportional to 4,509.64, 6,222.72 and 2,939.86

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Solution

The fourth proportional to 4,509.64, 6,222.72 and 2,939.86 is: 4,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.64 : 6,222.72 = 2,939.86 : x
  2. Step 2: Convert to fraction form
    4,509.64/6,222.72 = 2,939.86/x
  3. Step 3: Cross multiply
    4,509.64x = 6,222.72 × 2,939.86
  4. Step 4: Simplify right side
    4,509.64x = 18,293,925.62
  5. Step 5: Solve for x
    x = 18,293,925.62/4,509.64
  6. Step 6: Final answer
    x = 4,056.63

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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.