Home / 4,619.61-6,930.42-1,698.12

Finding the Fourth Proportional to 4,619.61, 6,930.42 and 1,698.12

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Solution

The fourth proportional to 4,619.61, 6,930.42 and 1,698.12 is: 2,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.61 : 6,930.42 = 1,698.12 : x
  2. Step 2: Convert to fraction form
    4,619.61/6,930.42 = 1,698.12/x
  3. Step 3: Cross multiply
    4,619.61x = 6,930.42 × 1,698.12
  4. Step 4: Simplify right side
    4,619.61x = 11,768,684.81
  5. Step 5: Solve for x
    x = 11,768,684.81/4,619.61
  6. Step 6: Final answer
    x = 2,547.55

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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.