Home / 6,790.71-10,189.89-5,305.77

Finding the Fourth Proportional to 6,790.71, 10,189.89 and 5,305.77

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Solution

The fourth proportional to 6,790.71, 10,189.89 and 5,305.77 is: 7,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.71 : 10,189.89 = 5,305.77 : x
  2. Step 2: Convert to fraction form
    6,790.71/10,189.89 = 5,305.77/x
  3. Step 3: Cross multiply
    6,790.71x = 10,189.89 × 5,305.77
  4. Step 4: Simplify right side
    6,790.71x = 54,065,212.67
  5. Step 5: Solve for x
    x = 54,065,212.67/6,790.71
  6. Step 6: Final answer
    x = 7,961.64

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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.