Home / 6,239.92-9,356.75-2,078.45

Finding the Fourth Proportional to 6,239.92, 9,356.75 and 2,078.45

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Solution

The fourth proportional to 6,239.92, 9,356.75 and 2,078.45 is: 3,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.92 : 9,356.75 = 2,078.45 : x
  2. Step 2: Convert to fraction form
    6,239.92/9,356.75 = 2,078.45/x
  3. Step 3: Cross multiply
    6,239.92x = 9,356.75 × 2,078.45
  4. Step 4: Simplify right side
    6,239.92x = 19,447,537.04
  5. Step 5: Solve for x
    x = 19,447,537.04/6,239.92
  6. Step 6: Final answer
    x = 3,116.63

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1.5x scale

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.