Home / 6,619.73-9,918.59-4,667.90

Finding the Fourth Proportional to 6,619.73, 9,918.59 and 4,667.90

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Solution

The fourth proportional to 6,619.73, 9,918.59 and 4,667.90 is: 6,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.73 : 9,918.59 = 4,667.90 : x
  2. Step 2: Convert to fraction form
    6,619.73/9,918.59 = 4,667.90/x
  3. Step 3: Cross multiply
    6,619.73x = 9,918.59 × 4,667.90
  4. Step 4: Simplify right side
    6,619.73x = 46,298,913.33
  5. Step 5: Solve for x
    x = 46,298,913.33/6,619.73
  6. Step 6: Final answer
    x = 6,994.08

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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.