Home / 7,819.04-10,795.29-6,978.30

Finding the Fourth Proportional to 7,819.04, 10,795.29 and 6,978.30

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Solution

The fourth proportional to 7,819.04, 10,795.29 and 6,978.30 is: 9,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.04 : 10,795.29 = 6,978.30 : x
  2. Step 2: Convert to fraction form
    7,819.04/10,795.29 = 6,978.30/x
  3. Step 3: Cross multiply
    7,819.04x = 10,795.29 × 6,978.30
  4. Step 4: Simplify right side
    7,819.04x = 75,332,772.21
  5. Step 5: Solve for x
    x = 75,332,772.21/7,819.04
  6. Step 6: Final answer
    x = 9,634.54

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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.