Home / 7,290.38-10,926.39-3,125.50

Finding the Fourth Proportional to 7,290.38, 10,926.39 and 3,125.50

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Solution

The fourth proportional to 7,290.38, 10,926.39 and 3,125.50 is: 4,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.38 : 10,926.39 = 3,125.50 : x
  2. Step 2: Convert to fraction form
    7,290.38/10,926.39 = 3,125.50/x
  3. Step 3: Cross multiply
    7,290.38x = 10,926.39 × 3,125.50
  4. Step 4: Simplify right side
    7,290.38x = 34,150,431.95
  5. Step 5: Solve for x
    x = 34,150,431.95/7,290.38
  6. Step 6: Final answer
    x = 4,684.31

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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.