Home / 7,286.69-10,933.70-3,125.55

Finding the Fourth Proportional to 7,286.69, 10,933.70 and 3,125.55

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Solution

The fourth proportional to 7,286.69, 10,933.70 and 3,125.55 is: 4,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.69 : 10,933.70 = 3,125.55 : x
  2. Step 2: Convert to fraction form
    7,286.69/10,933.70 = 3,125.55/x
  3. Step 3: Cross multiply
    7,286.69x = 10,933.70 × 3,125.55
  4. Step 4: Simplify right side
    7,286.69x = 34,173,826.04
  5. Step 5: Solve for x
    x = 34,173,826.04/7,286.69
  6. Step 6: Final answer
    x = 4,689.90

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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.