Home / 4,145.49-5,721.17-3,095.73

Finding the Fourth Proportional to 4,145.49, 5,721.17 and 3,095.73

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Solution

The fourth proportional to 4,145.49, 5,721.17 and 3,095.73 is: 4,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.49 : 5,721.17 = 3,095.73 : x
  2. Step 2: Convert to fraction form
    4,145.49/5,721.17 = 3,095.73/x
  3. Step 3: Cross multiply
    4,145.49x = 5,721.17 × 3,095.73
  4. Step 4: Simplify right side
    4,145.49x = 17,711,176.74
  5. Step 5: Solve for x
    x = 17,711,176.74/4,145.49
  6. Step 6: Final answer
    x = 4,272.40

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Half scale
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Double scale
Find fourth proportional to 4,146.49, 5,722.55 and 3,096.73
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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.