Home / 5,911.19-8,154.81-3,392.70

Finding the Fourth Proportional to 5,911.19, 8,154.81 and 3,392.70

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Solution

The fourth proportional to 5,911.19, 8,154.81 and 3,392.70 is: 4,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.19 : 8,154.81 = 3,392.70 : x
  2. Step 2: Convert to fraction form
    5,911.19/8,154.81 = 3,392.70/x
  3. Step 3: Cross multiply
    5,911.19x = 8,154.81 × 3,392.70
  4. Step 4: Simplify right side
    5,911.19x = 27,666,793.31
  5. Step 5: Solve for x
    x = 27,666,793.31/5,911.19
  6. Step 6: Final answer
    x = 4,680.41

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Double scale
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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.