Home / 5,913.62-8,160.78-3,261.20

Finding the Fourth Proportional to 5,913.62, 8,160.78 and 3,261.20

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Solution

The fourth proportional to 5,913.62, 8,160.78 and 3,261.20 is: 4,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.62 : 8,160.78 = 3,261.20 : x
  2. Step 2: Convert to fraction form
    5,913.62/8,160.78 = 3,261.20/x
  3. Step 3: Cross multiply
    5,913.62x = 8,160.78 × 3,261.20
  4. Step 4: Simplify right side
    5,913.62x = 26,613,894.93
  5. Step 5: Solve for x
    x = 26,613,894.93/5,913.62
  6. Step 6: Final answer
    x = 4,500.44

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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.