Home / 4,619.78-6,930.35-1,697.86

Finding the Fourth Proportional to 4,619.78, 6,930.35 and 1,697.86

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Solution

The fourth proportional to 4,619.78, 6,930.35 and 1,697.86 is: 2,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.78 : 6,930.35 = 1,697.86 : x
  2. Step 2: Convert to fraction form
    4,619.78/6,930.35 = 1,697.86/x
  3. Step 3: Cross multiply
    4,619.78x = 6,930.35 × 1,697.86
  4. Step 4: Simplify right side
    4,619.78x = 11,766,770.59
  5. Step 5: Solve for x
    x = 11,766,770.59/4,619.78
  6. Step 6: Final answer
    x = 2,547.04

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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.