Home / 6,800.90-10,179.47-3,509.51

Finding the Fourth Proportional to 6,800.90, 10,179.47 and 3,509.51

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Solution

The fourth proportional to 6,800.90, 10,179.47 and 3,509.51 is: 5,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.90 : 10,179.47 = 3,509.51 : x
  2. Step 2: Convert to fraction form
    6,800.90/10,179.47 = 3,509.51/x
  3. Step 3: Cross multiply
    6,800.90x = 10,179.47 × 3,509.51
  4. Step 4: Simplify right side
    6,800.90x = 35,724,909.64
  5. Step 5: Solve for x
    x = 35,724,909.64/6,800.90
  6. Step 6: Final answer
    x = 5,252.97

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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.