Home / 7,953.24-11,930.46-2,109.72

Finding the Fourth Proportional to 7,953.24, 11,930.46 and 2,109.72

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Solution

The fourth proportional to 7,953.24, 11,930.46 and 2,109.72 is: 3,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.24 : 11,930.46 = 2,109.72 : x
  2. Step 2: Convert to fraction form
    7,953.24/11,930.46 = 2,109.72/x
  3. Step 3: Cross multiply
    7,953.24x = 11,930.46 × 2,109.72
  4. Step 4: Simplify right side
    7,953.24x = 25,169,930.07
  5. Step 5: Solve for x
    x = 25,169,930.07/7,953.24
  6. Step 6: Final answer
    x = 3,164.74

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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.