Home / 7,448.96-11,157.03-4,972.18

Finding the Fourth Proportional to 7,448.96, 11,157.03 and 4,972.18

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Solution

The fourth proportional to 7,448.96, 11,157.03 and 4,972.18 is: 7,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.96 : 11,157.03 = 4,972.18 : x
  2. Step 2: Convert to fraction form
    7,448.96/11,157.03 = 4,972.18/x
  3. Step 3: Cross multiply
    7,448.96x = 11,157.03 × 4,972.18
  4. Step 4: Simplify right side
    7,448.96x = 55,474,761.43
  5. Step 5: Solve for x
    x = 55,474,761.43/7,448.96
  6. Step 6: Final answer
    x = 7,447.32

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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.