Home / 6,883.36-10,320.24-2,720.32

Finding the Fourth Proportional to 6,883.36, 10,320.24 and 2,720.32

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Solution

The fourth proportional to 6,883.36, 10,320.24 and 2,720.32 is: 4,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.36 : 10,320.24 = 2,720.32 : x
  2. Step 2: Convert to fraction form
    6,883.36/10,320.24 = 2,720.32/x
  3. Step 3: Cross multiply
    6,883.36x = 10,320.24 × 2,720.32
  4. Step 4: Simplify right side
    6,883.36x = 28,074,355.28
  5. Step 5: Solve for x
    x = 28,074,355.28/6,883.36
  6. Step 6: Final answer
    x = 4,078.58

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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.