Home / 5,290.17-7,936.91-3,184.09

Finding the Fourth Proportional to 5,290.17, 7,936.91 and 3,184.09

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Solution

The fourth proportional to 5,290.17, 7,936.91 and 3,184.09 is: 4,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.17 : 7,936.91 = 3,184.09 : x
  2. Step 2: Convert to fraction form
    5,290.17/7,936.91 = 3,184.09/x
  3. Step 3: Cross multiply
    5,290.17x = 7,936.91 × 3,184.09
  4. Step 4: Simplify right side
    5,290.17x = 25,271,835.76
  5. Step 5: Solve for x
    x = 25,271,835.76/5,290.17
  6. Step 6: Final answer
    x = 4,777.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.