Home / 6,238.74-8,609.35-3,549.90

Finding the Fourth Proportional to 6,238.74, 8,609.35 and 3,549.90

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Solution

The fourth proportional to 6,238.74, 8,609.35 and 3,549.90 is: 4,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.74 : 8,609.35 = 3,549.90 : x
  2. Step 2: Convert to fraction form
    6,238.74/8,609.35 = 3,549.90/x
  3. Step 3: Cross multiply
    6,238.74x = 8,609.35 × 3,549.90
  4. Step 4: Simplify right side
    6,238.74x = 30,562,357.43
  5. Step 5: Solve for x
    x = 30,562,357.43/6,238.74
  6. Step 6: Final answer
    x = 4,898.80

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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.