Home / 4,540.64-6,267.28-2,678.88

Finding the Fourth Proportional to 4,540.64, 6,267.28 and 2,678.88

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Solution

The fourth proportional to 4,540.64, 6,267.28 and 2,678.88 is: 3,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.64 : 6,267.28 = 2,678.88 : x
  2. Step 2: Convert to fraction form
    4,540.64/6,267.28 = 2,678.88/x
  3. Step 3: Cross multiply
    4,540.64x = 6,267.28 × 2,678.88
  4. Step 4: Simplify right side
    4,540.64x = 16,789,291.05
  5. Step 5: Solve for x
    x = 16,789,291.05/4,540.64
  6. Step 6: Final answer
    x = 3,697.56

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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.