Home / 4,134.80-6,209.40-4,005.20

Finding the Fourth Proportional to 4,134.80, 6,209.40 and 4,005.20

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Solution

The fourth proportional to 4,134.80, 6,209.40 and 4,005.20 is: 6,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.80 : 6,209.40 = 4,005.20 : x
  2. Step 2: Convert to fraction form
    4,134.80/6,209.40 = 4,005.20/x
  3. Step 3: Cross multiply
    4,134.80x = 6,209.40 × 4,005.20
  4. Step 4: Simplify right side
    4,134.80x = 24,869,888.88
  5. Step 5: Solve for x
    x = 24,869,888.88/4,134.80
  6. Step 6: Final answer
    x = 6,014.77

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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.