Home / 5,204.40-7,181.16-3,081.68

Finding the Fourth Proportional to 5,204.40, 7,181.16 and 3,081.68

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Solution

The fourth proportional to 5,204.40, 7,181.16 and 3,081.68 is: 4,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.40 : 7,181.16 = 3,081.68 : x
  2. Step 2: Convert to fraction form
    5,204.40/7,181.16 = 3,081.68/x
  3. Step 3: Cross multiply
    5,204.40x = 7,181.16 × 3,081.68
  4. Step 4: Simplify right side
    5,204.40x = 22,130,037.15
  5. Step 5: Solve for x
    x = 22,130,037.15/5,204.40
  6. Step 6: Final answer
    x = 4,252.18

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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.