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Finding the Fourth Proportional to 5,759.36, 7,955.08 and 4,448.96

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Solution

The fourth proportional to 5,759.36, 7,955.08 and 4,448.96 is: 6,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.36 : 7,955.08 = 4,448.96 : x
  2. Step 2: Convert to fraction form
    5,759.36/7,955.08 = 4,448.96/x
  3. Step 3: Cross multiply
    5,759.36x = 7,955.08 × 4,448.96
  4. Step 4: Simplify right side
    5,759.36x = 35,391,832.72
  5. Step 5: Solve for x
    x = 35,391,832.72/5,759.36
  6. Step 6: Final answer
    x = 6,145.10

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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.