Home / 5,170.50-7,741.58-3,612.06

Finding the Fourth Proportional to 5,170.50, 7,741.58 and 3,612.06

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Solution

The fourth proportional to 5,170.50, 7,741.58 and 3,612.06 is: 5,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.50 : 7,741.58 = 3,612.06 : x
  2. Step 2: Convert to fraction form
    5,170.50/7,741.58 = 3,612.06/x
  3. Step 3: Cross multiply
    5,170.50x = 7,741.58 × 3,612.06
  4. Step 4: Simplify right side
    5,170.50x = 27,963,033.39
  5. Step 5: Solve for x
    x = 27,963,033.39/5,170.50
  6. Step 6: Final answer
    x = 5,408.19

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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.