Home / 7,854.92-11,781.68-4,713.84

Finding the Fourth Proportional to 7,854.92, 11,781.68 and 4,713.84

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Solution

The fourth proportional to 7,854.92, 11,781.68 and 4,713.84 is: 7,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.92 : 11,781.68 = 4,713.84 : x
  2. Step 2: Convert to fraction form
    7,854.92/11,781.68 = 4,713.84/x
  3. Step 3: Cross multiply
    7,854.92x = 11,781.68 × 4,713.84
  4. Step 4: Simplify right side
    7,854.92x = 55,536,954.45
  5. Step 5: Solve for x
    x = 55,536,954.45/7,854.92
  6. Step 6: Final answer
    x = 7,070.34

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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.