Home / 6,976.99-10,439.34-4,155.51

Finding the Fourth Proportional to 6,976.99, 10,439.34 and 4,155.51

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Solution

The fourth proportional to 6,976.99, 10,439.34 and 4,155.51 is: 6,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.99 : 10,439.34 = 4,155.51 : x
  2. Step 2: Convert to fraction form
    6,976.99/10,439.34 = 4,155.51/x
  3. Step 3: Cross multiply
    6,976.99x = 10,439.34 × 4,155.51
  4. Step 4: Simplify right side
    6,976.99x = 43,380,781.76
  5. Step 5: Solve for x
    x = 43,380,781.76/6,976.99
  6. Step 6: Final answer
    x = 6,217.69

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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.