Home / 4,808.57-6,640.31-3,538.49

Finding the Fourth Proportional to 4,808.57, 6,640.31 and 3,538.49

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Solution

The fourth proportional to 4,808.57, 6,640.31 and 3,538.49 is: 4,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.57 : 6,640.31 = 3,538.49 : x
  2. Step 2: Convert to fraction form
    4,808.57/6,640.31 = 3,538.49/x
  3. Step 3: Cross multiply
    4,808.57x = 6,640.31 × 3,538.49
  4. Step 4: Simplify right side
    4,808.57x = 23,496,646.18
  5. Step 5: Solve for x
    x = 23,496,646.18/4,808.57
  6. Step 6: Final answer
    x = 4,886.42

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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.