Home / 5,345.32-8,017.96-1,449.72

Finding the Fourth Proportional to 5,345.32, 8,017.96 and 1,449.72

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Solution

The fourth proportional to 5,345.32, 8,017.96 and 1,449.72 is: 2,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.32 : 8,017.96 = 1,449.72 : x
  2. Step 2: Convert to fraction form
    5,345.32/8,017.96 = 1,449.72/x
  3. Step 3: Cross multiply
    5,345.32x = 8,017.96 × 1,449.72
  4. Step 4: Simplify right side
    5,345.32x = 11,623,796.97
  5. Step 5: Solve for x
    x = 11,623,796.97/5,345.32
  6. Step 6: Final answer
    x = 2,174.57

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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.