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Finding the Fourth Proportional to 4,644.84, 6,965.90 and 1,357.16

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Solution

The fourth proportional to 4,644.84, 6,965.90 and 1,357.16 is: 2,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.84 : 6,965.90 = 1,357.16 : x
  2. Step 2: Convert to fraction form
    4,644.84/6,965.90 = 1,357.16/x
  3. Step 3: Cross multiply
    4,644.84x = 6,965.90 × 1,357.16
  4. Step 4: Simplify right side
    4,644.84x = 9,453,804.32
  5. Step 5: Solve for x
    x = 9,453,804.32/4,644.84
  6. Step 6: Final answer
    x = 2,035.33

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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.