Home / 7,819.04-10,789.87-4,281.56

Finding the Fourth Proportional to 7,819.04, 10,789.87 and 4,281.56

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Solution

The fourth proportional to 7,819.04, 10,789.87 and 4,281.56 is: 5,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.04 : 10,789.87 = 4,281.56 : x
  2. Step 2: Convert to fraction form
    7,819.04/10,789.87 = 4,281.56/x
  3. Step 3: Cross multiply
    7,819.04x = 10,789.87 × 4,281.56
  4. Step 4: Simplify right side
    7,819.04x = 46,197,481.36
  5. Step 5: Solve for x
    x = 46,197,481.36/7,819.04
  6. Step 6: Final answer
    x = 5,908.34

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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.