Home / 4,485.28-6,186.18-2,913.88

Finding the Fourth Proportional to 4,485.28, 6,186.18 and 2,913.88

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Solution

The fourth proportional to 4,485.28, 6,186.18 and 2,913.88 is: 4,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.28 : 6,186.18 = 2,913.88 : x
  2. Step 2: Convert to fraction form
    4,485.28/6,186.18 = 2,913.88/x
  3. Step 3: Cross multiply
    4,485.28x = 6,186.18 × 2,913.88
  4. Step 4: Simplify right side
    4,485.28x = 18,025,786.18
  5. Step 5: Solve for x
    x = 18,025,786.18/4,485.28
  6. Step 6: Final answer
    x = 4,018.88

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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.