Home / 6,739.12-10,110.50-3,819.47

Finding the Fourth Proportional to 6,739.12, 10,110.50 and 3,819.47

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Solution

The fourth proportional to 6,739.12, 10,110.50 and 3,819.47 is: 5,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.12 : 10,110.50 = 3,819.47 : x
  2. Step 2: Convert to fraction form
    6,739.12/10,110.50 = 3,819.47/x
  3. Step 3: Cross multiply
    6,739.12x = 10,110.50 × 3,819.47
  4. Step 4: Simplify right side
    6,739.12x = 38,616,757.61
  5. Step 5: Solve for x
    x = 38,616,757.61/6,739.12
  6. Step 6: Final answer
    x = 5,730.24

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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.