Home / 7,707.26-11,560.92-1,863.86

Finding the Fourth Proportional to 7,707.26, 11,560.92 and 1,863.86

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Solution

The fourth proportional to 7,707.26, 11,560.92 and 1,863.86 is: 2,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.26 : 11,560.92 = 1,863.86 : x
  2. Step 2: Convert to fraction form
    7,707.26/11,560.92 = 1,863.86/x
  3. Step 3: Cross multiply
    7,707.26x = 11,560.92 × 1,863.86
  4. Step 4: Simplify right side
    7,707.26x = 21,547,936.35
  5. Step 5: Solve for x
    x = 21,547,936.35/7,707.26
  6. Step 6: Final answer
    x = 2,795.80

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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.