Home / 5,411.70-8,117.55-1,714.19

Finding the Fourth Proportional to 5,411.70, 8,117.55 and 1,714.19

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Solution

The fourth proportional to 5,411.70, 8,117.55 and 1,714.19 is: 2,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.70 : 8,117.55 = 1,714.19 : x
  2. Step 2: Convert to fraction form
    5,411.70/8,117.55 = 1,714.19/x
  3. Step 3: Cross multiply
    5,411.70x = 8,117.55 × 1,714.19
  4. Step 4: Simplify right side
    5,411.70x = 13,914,982.45
  5. Step 5: Solve for x
    x = 13,914,982.45/5,411.70
  6. Step 6: Final answer
    x = 2,571.28

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Similar ratio
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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.