Home / 7,730.19-10,667.68-4,193.42

Finding the Fourth Proportional to 7,730.19, 10,667.68 and 4,193.42

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Solution

The fourth proportional to 7,730.19, 10,667.68 and 4,193.42 is: 5,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.19 : 10,667.68 = 4,193.42 : x
  2. Step 2: Convert to fraction form
    7,730.19/10,667.68 = 4,193.42/x
  3. Step 3: Cross multiply
    7,730.19x = 10,667.68 × 4,193.42
  4. Step 4: Simplify right side
    7,730.19x = 44,733,998.84
  5. Step 5: Solve for x
    x = 44,733,998.84/7,730.19
  6. Step 6: Final answer
    x = 5,786.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.