Home / 4,109.30-6,124.92-3,875.80

Finding the Fourth Proportional to 4,109.30, 6,124.92 and 3,875.80

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Solution

The fourth proportional to 4,109.30, 6,124.92 and 3,875.80 is: 5,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.30 : 6,124.92 = 3,875.80 : x
  2. Step 2: Convert to fraction form
    4,109.30/6,124.92 = 3,875.80/x
  3. Step 3: Cross multiply
    4,109.30x = 6,124.92 × 3,875.80
  4. Step 4: Simplify right side
    4,109.30x = 23,738,964.94
  5. Step 5: Solve for x
    x = 23,738,964.94/4,109.30
  6. Step 6: Final answer
    x = 5,776.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.