Home / 4,687.09-6,468.59-2,671.12

Finding the Fourth Proportional to 4,687.09, 6,468.59 and 2,671.12

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Solution

The fourth proportional to 4,687.09, 6,468.59 and 2,671.12 is: 3,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.09 : 6,468.59 = 2,671.12 : x
  2. Step 2: Convert to fraction form
    4,687.09/6,468.59 = 2,671.12/x
  3. Step 3: Cross multiply
    4,687.09x = 6,468.59 × 2,671.12
  4. Step 4: Simplify right side
    4,687.09x = 17,278,411.99
  5. Step 5: Solve for x
    x = 17,278,411.99/4,687.09
  6. Step 6: Final answer
    x = 3,686.38

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Half scale
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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.