Home / 7,707.07-11,560.62-1,863.70

Finding the Fourth Proportional to 7,707.07, 11,560.62 and 1,863.70

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Solution

The fourth proportional to 7,707.07, 11,560.62 and 1,863.70 is: 2,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.07 : 11,560.62 = 1,863.70 : x
  2. Step 2: Convert to fraction form
    7,707.07/11,560.62 = 1,863.70/x
  3. Step 3: Cross multiply
    7,707.07x = 11,560.62 × 1,863.70
  4. Step 4: Simplify right side
    7,707.07x = 21,545,527.49
  5. Step 5: Solve for x
    x = 21,545,527.49/7,707.07
  6. Step 6: Final answer
    x = 2,795.55

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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.