Home / 7,819.07-10,789.76-4,281.71

Finding the Fourth Proportional to 7,819.07, 10,789.76 and 4,281.71

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Solution

The fourth proportional to 7,819.07, 10,789.76 and 4,281.71 is: 5,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.07 : 10,789.76 = 4,281.71 : x
  2. Step 2: Convert to fraction form
    7,819.07/10,789.76 = 4,281.71/x
  3. Step 3: Cross multiply
    7,819.07x = 10,789.76 × 4,281.71
  4. Step 4: Simplify right side
    7,819.07x = 46,198,601.88
  5. Step 5: Solve for x
    x = 46,198,601.88/7,819.07
  6. Step 6: Final answer
    x = 5,908.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.