Home / 4,671.55-6,440.54-3,871.88

Finding the Fourth Proportional to 4,671.55, 6,440.54 and 3,871.88

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Solution

The fourth proportional to 4,671.55, 6,440.54 and 3,871.88 is: 5,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.55 : 6,440.54 = 3,871.88 : x
  2. Step 2: Convert to fraction form
    4,671.55/6,440.54 = 3,871.88/x
  3. Step 3: Cross multiply
    4,671.55x = 6,440.54 × 3,871.88
  4. Step 4: Simplify right side
    4,671.55x = 24,936,998.02
  5. Step 5: Solve for x
    x = 24,936,998.02/4,671.55
  6. Step 6: Final answer
    x = 5,338.06

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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.