Home / 6,976.32-10,455.97-3,856.20

Finding the Fourth Proportional to 6,976.32, 10,455.97 and 3,856.20

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Solution

The fourth proportional to 6,976.32, 10,455.97 and 3,856.20 is: 5,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.32 : 10,455.97 = 3,856.20 : x
  2. Step 2: Convert to fraction form
    6,976.32/10,455.97 = 3,856.20/x
  3. Step 3: Cross multiply
    6,976.32x = 10,455.97 × 3,856.20
  4. Step 4: Simplify right side
    6,976.32x = 40,320,311.51
  5. Step 5: Solve for x
    x = 40,320,311.51/6,976.32
  6. Step 6: Final answer
    x = 5,779.60

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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.