Home / 5,618.66-8,427.92-1,458.29

Finding the Fourth Proportional to 5,618.66, 8,427.92 and 1,458.29

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Solution

The fourth proportional to 5,618.66, 8,427.92 and 1,458.29 is: 2,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.66 : 8,427.92 = 1,458.29 : x
  2. Step 2: Convert to fraction form
    5,618.66/8,427.92 = 1,458.29/x
  3. Step 3: Cross multiply
    5,618.66x = 8,427.92 × 1,458.29
  4. Step 4: Simplify right side
    5,618.66x = 12,290,365.24
  5. Step 5: Solve for x
    x = 12,290,365.24/5,618.66
  6. Step 6: Final answer
    x = 2,187.42

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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.