Home / 7,904.28-11,865.59-4,619.73

Finding the Fourth Proportional to 7,904.28, 11,865.59 and 4,619.73

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Solution

The fourth proportional to 7,904.28, 11,865.59 and 4,619.73 is: 6,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.28 : 11,865.59 = 4,619.73 : x
  2. Step 2: Convert to fraction form
    7,904.28/11,865.59 = 4,619.73/x
  3. Step 3: Cross multiply
    7,904.28x = 11,865.59 × 4,619.73
  4. Step 4: Simplify right side
    7,904.28x = 54,815,798.99
  5. Step 5: Solve for x
    x = 54,815,798.99/7,904.28
  6. Step 6: Final answer
    x = 6,934.95

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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.