Home / 7,708.26-11,562.42-1,864.86

Finding the Fourth Proportional to 7,708.26, 11,562.42 and 1,864.86

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Solution

The fourth proportional to 7,708.26, 11,562.42 and 1,864.86 is: 2,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.26 : 11,562.42 = 1,864.86 : x
  2. Step 2: Convert to fraction form
    7,708.26/11,562.42 = 1,864.86/x
  3. Step 3: Cross multiply
    7,708.26x = 11,562.42 × 1,864.86
  4. Step 4: Simplify right side
    7,708.26x = 21,562,294.56
  5. Step 5: Solve for x
    x = 21,562,294.56/7,708.26
  6. Step 6: Final answer
    x = 2,797.30

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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.