Home / 7,678.33-11,513.94-2,746.83

Finding the Fourth Proportional to 7,678.33, 11,513.94 and 2,746.83

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Solution

The fourth proportional to 7,678.33, 11,513.94 and 2,746.83 is: 4,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.33 : 11,513.94 = 2,746.83 : x
  2. Step 2: Convert to fraction form
    7,678.33/11,513.94 = 2,746.83/x
  3. Step 3: Cross multiply
    7,678.33x = 11,513.94 × 2,746.83
  4. Step 4: Simplify right side
    7,678.33x = 31,626,835.81
  5. Step 5: Solve for x
    x = 31,626,835.81/7,678.33
  6. Step 6: Final answer
    x = 4,118.97

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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.