Home / 6,820.74-9,412.77-4,169.61

Finding the Fourth Proportional to 6,820.74, 9,412.77 and 4,169.61

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Solution

The fourth proportional to 6,820.74, 9,412.77 and 4,169.61 is: 5,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.74 : 9,412.77 = 4,169.61 : x
  2. Step 2: Convert to fraction form
    6,820.74/9,412.77 = 4,169.61/x
  3. Step 3: Cross multiply
    6,820.74x = 9,412.77 × 4,169.61
  4. Step 4: Simplify right side
    6,820.74x = 39,247,595.56
  5. Step 5: Solve for x
    x = 39,247,595.56/6,820.74
  6. Step 6: Final answer
    x = 5,754.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.