Home / 5,613.05-8,418.62-1,664.22

Finding the Fourth Proportional to 5,613.05, 8,418.62 and 1,664.22

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Solution

The fourth proportional to 5,613.05, 8,418.62 and 1,664.22 is: 2,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.05 : 8,418.62 = 1,664.22 : x
  2. Step 2: Convert to fraction form
    5,613.05/8,418.62 = 1,664.22/x
  3. Step 3: Cross multiply
    5,613.05x = 8,418.62 × 1,664.22
  4. Step 4: Simplify right side
    5,613.05x = 14,010,427.46
  5. Step 5: Solve for x
    x = 14,010,427.46/5,613.05
  6. Step 6: Final answer
    x = 2,496.05

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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.