Home / 5,412.92-8,120.04-1,714.46

Finding the Fourth Proportional to 5,412.92, 8,120.04 and 1,714.46

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Solution

The fourth proportional to 5,412.92, 8,120.04 and 1,714.46 is: 2,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.92 : 8,120.04 = 1,714.46 : x
  2. Step 2: Convert to fraction form
    5,412.92/8,120.04 = 1,714.46/x
  3. Step 3: Cross multiply
    5,412.92x = 8,120.04 × 1,714.46
  4. Step 4: Simplify right side
    5,412.92x = 13,921,483.78
  5. Step 5: Solve for x
    x = 13,921,483.78/5,412.92
  6. Step 6: Final answer
    x = 2,571.90

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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.