Home / 4,087.53-5,641.98-2,671.43

Finding the Fourth Proportional to 4,087.53, 5,641.98 and 2,671.43

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Solution

The fourth proportional to 4,087.53, 5,641.98 and 2,671.43 is: 3,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.53 : 5,641.98 = 2,671.43 : x
  2. Step 2: Convert to fraction form
    4,087.53/5,641.98 = 2,671.43/x
  3. Step 3: Cross multiply
    4,087.53x = 5,641.98 × 2,671.43
  4. Step 4: Simplify right side
    4,087.53x = 15,072,154.63
  5. Step 5: Solve for x
    x = 15,072,154.63/4,087.53
  6. Step 6: Final answer
    x = 3,687.35

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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.