Home / 5,616.48-8,424.72-1,719.84

Finding the Fourth Proportional to 5,616.48, 8,424.72 and 1,719.84

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Solution

The fourth proportional to 5,616.48, 8,424.72 and 1,719.84 is: 2,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.48 : 8,424.72 = 1,719.84 : x
  2. Step 2: Convert to fraction form
    5,616.48/8,424.72 = 1,719.84/x
  3. Step 3: Cross multiply
    5,616.48x = 8,424.72 × 1,719.84
  4. Step 4: Simplify right side
    5,616.48x = 14,489,170.44
  5. Step 5: Solve for x
    x = 14,489,170.44/5,616.48
  6. Step 6: Final answer
    x = 2,579.76

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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.