Home / 4,687.21-6,468.15-2,591.32

Finding the Fourth Proportional to 4,687.21, 6,468.15 and 2,591.32

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Solution

The fourth proportional to 4,687.21, 6,468.15 and 2,591.32 is: 3,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.21 : 6,468.15 = 2,591.32 : x
  2. Step 2: Convert to fraction form
    4,687.21/6,468.15 = 2,591.32/x
  3. Step 3: Cross multiply
    4,687.21x = 6,468.15 × 2,591.32
  4. Step 4: Simplify right side
    4,687.21x = 16,761,046.46
  5. Step 5: Solve for x
    x = 16,761,046.46/4,687.21
  6. Step 6: Final answer
    x = 3,575.91

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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.