Home / 4,606.32-6,906.08-2,139.86

Finding the Fourth Proportional to 4,606.32, 6,906.08 and 2,139.86

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Solution

The fourth proportional to 4,606.32, 6,906.08 and 2,139.86 is: 3,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.32 : 6,906.08 = 2,139.86 : x
  2. Step 2: Convert to fraction form
    4,606.32/6,906.08 = 2,139.86/x
  3. Step 3: Cross multiply
    4,606.32x = 6,906.08 × 2,139.86
  4. Step 4: Simplify right side
    4,606.32x = 14,778,044.35
  5. Step 5: Solve for x
    x = 14,778,044.35/4,606.32
  6. Step 6: Final answer
    x = 3,208.21

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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.