Home / 4,124.40-6,186.60-2,665.20

Finding the Fourth Proportional to 4,124.40, 6,186.60 and 2,665.20

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Solution

The fourth proportional to 4,124.40, 6,186.60 and 2,665.20 is: 3,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.40 : 6,186.60 = 2,665.20 : x
  2. Step 2: Convert to fraction form
    4,124.40/6,186.60 = 2,665.20/x
  3. Step 3: Cross multiply
    4,124.40x = 6,186.60 × 2,665.20
  4. Step 4: Simplify right side
    4,124.40x = 16,488,526.32
  5. Step 5: Solve for x
    x = 16,488,526.32/4,124.40
  6. Step 6: Final answer
    x = 3,997.80

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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.