Home / 6,441.12-9,657.36-4,361.04

Finding the Fourth Proportional to 6,441.12, 9,657.36 and 4,361.04

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Solution

The fourth proportional to 6,441.12, 9,657.36 and 4,361.04 is: 6,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.12 : 9,657.36 = 4,361.04 : x
  2. Step 2: Convert to fraction form
    6,441.12/9,657.36 = 4,361.04/x
  3. Step 3: Cross multiply
    6,441.12x = 9,657.36 × 4,361.04
  4. Step 4: Simplify right side
    6,441.12x = 42,116,133.25
  5. Step 5: Solve for x
    x = 42,116,133.25/6,441.12
  6. Step 6: Final answer
    x = 6,538.64

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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.