Home / 5,345.12-8,017.86-1,449.62

Finding the Fourth Proportional to 5,345.12, 8,017.86 and 1,449.62

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Solution

The fourth proportional to 5,345.12, 8,017.86 and 1,449.62 is: 2,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.12 : 8,017.86 = 1,449.62 : x
  2. Step 2: Convert to fraction form
    5,345.12/8,017.86 = 1,449.62/x
  3. Step 3: Cross multiply
    5,345.12x = 8,017.86 × 1,449.62
  4. Step 4: Simplify right side
    5,345.12x = 11,622,850.21
  5. Step 5: Solve for x
    x = 11,622,850.21/5,345.12
  6. Step 6: Final answer
    x = 2,174.48

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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.