Home / 4,783.64-6,601.08-2,687.72

Finding the Fourth Proportional to 4,783.64, 6,601.08 and 2,687.72

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Solution

The fourth proportional to 4,783.64, 6,601.08 and 2,687.72 is: 3,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.64 : 6,601.08 = 2,687.72 : x
  2. Step 2: Convert to fraction form
    4,783.64/6,601.08 = 2,687.72/x
  3. Step 3: Cross multiply
    4,783.64x = 6,601.08 × 2,687.72
  4. Step 4: Simplify right side
    4,783.64x = 17,741,854.74
  5. Step 5: Solve for x
    x = 17,741,854.74/4,783.64
  6. Step 6: Final answer
    x = 3,708.86

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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.