Home / 6,262.09-8,641.70-3,390.85

Finding the Fourth Proportional to 6,262.09, 8,641.70 and 3,390.85

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Solution

The fourth proportional to 6,262.09, 8,641.70 and 3,390.85 is: 4,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.09 : 8,641.70 = 3,390.85 : x
  2. Step 2: Convert to fraction form
    6,262.09/8,641.70 = 3,390.85/x
  3. Step 3: Cross multiply
    6,262.09x = 8,641.70 × 3,390.85
  4. Step 4: Simplify right side
    6,262.09x = 29,302,708.45
  5. Step 5: Solve for x
    x = 29,302,708.45/6,262.09
  6. Step 6: Final answer
    x = 4,679.38

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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.