Home / 7,117.88-10,677.42-1,923.75

Finding the Fourth Proportional to 7,117.88, 10,677.42 and 1,923.75

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Solution

The fourth proportional to 7,117.88, 10,677.42 and 1,923.75 is: 2,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.88 : 10,677.42 = 1,923.75 : x
  2. Step 2: Convert to fraction form
    7,117.88/10,677.42 = 1,923.75/x
  3. Step 3: Cross multiply
    7,117.88x = 10,677.42 × 1,923.75
  4. Step 4: Simplify right side
    7,117.88x = 20,540,686.73
  5. Step 5: Solve for x
    x = 20,540,686.73/7,117.88
  6. Step 6: Final answer
    x = 2,885.79

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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.