Home / 7,927.76-11,878.26-5,150.28

Finding the Fourth Proportional to 7,927.76, 11,878.26 and 5,150.28

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Solution

The fourth proportional to 7,927.76, 11,878.26 and 5,150.28 is: 7,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.76 : 11,878.26 = 5,150.28 : x
  2. Step 2: Convert to fraction form
    7,927.76/11,878.26 = 5,150.28/x
  3. Step 3: Cross multiply
    7,927.76x = 11,878.26 × 5,150.28
  4. Step 4: Simplify right side
    7,927.76x = 61,176,364.91
  5. Step 5: Solve for x
    x = 61,176,364.91/7,927.76
  6. Step 6: Final answer
    x = 7,716.73

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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.