Home / 5,537.08-7,640.88-3,146.74

Finding the Fourth Proportional to 5,537.08, 7,640.88 and 3,146.74

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Solution

The fourth proportional to 5,537.08, 7,640.88 and 3,146.74 is: 4,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.08 : 7,640.88 = 3,146.74 : x
  2. Step 2: Convert to fraction form
    5,537.08/7,640.88 = 3,146.74/x
  3. Step 3: Cross multiply
    5,537.08x = 7,640.88 × 3,146.74
  4. Step 4: Simplify right side
    5,537.08x = 24,043,862.73
  5. Step 5: Solve for x
    x = 24,043,862.73/5,537.08
  6. Step 6: Final answer
    x = 4,342.34

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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.