Home / 4,188.20-5,777.70-2,509.16

Finding the Fourth Proportional to 4,188.20, 5,777.70 and 2,509.16

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Solution

The fourth proportional to 4,188.20, 5,777.70 and 2,509.16 is: 3,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.20 : 5,777.70 = 2,509.16 : x
  2. Step 2: Convert to fraction form
    4,188.20/5,777.70 = 2,509.16/x
  3. Step 3: Cross multiply
    4,188.20x = 5,777.70 × 2,509.16
  4. Step 4: Simplify right side
    4,188.20x = 14,497,173.73
  5. Step 5: Solve for x
    x = 14,497,173.73/4,188.20
  6. Step 6: Final answer
    x = 3,461.43

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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.