Home / 5,318.96-7,343.44-3,643.12

Finding the Fourth Proportional to 5,318.96, 7,343.44 and 3,643.12

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Solution

The fourth proportional to 5,318.96, 7,343.44 and 3,643.12 is: 5,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.96 : 7,343.44 = 3,643.12 : x
  2. Step 2: Convert to fraction form
    5,318.96/7,343.44 = 3,643.12/x
  3. Step 3: Cross multiply
    5,318.96x = 7,343.44 × 3,643.12
  4. Step 4: Simplify right side
    5,318.96x = 26,753,033.13
  5. Step 5: Solve for x
    x = 26,753,033.13/5,318.96
  6. Step 6: Final answer
    x = 5,029.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.