Home / 5,416.97-8,126.46-1,719.45

Finding the Fourth Proportional to 5,416.97, 8,126.46 and 1,719.45

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Solution

The fourth proportional to 5,416.97, 8,126.46 and 1,719.45 is: 2,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.97 : 8,126.46 = 1,719.45 : x
  2. Step 2: Convert to fraction form
    5,416.97/8,126.46 = 1,719.45/x
  3. Step 3: Cross multiply
    5,416.97x = 8,126.46 × 1,719.45
  4. Step 4: Simplify right side
    5,416.97x = 13,973,041.65
  5. Step 5: Solve for x
    x = 13,973,041.65/5,416.97
  6. Step 6: Final answer
    x = 2,579.50

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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.