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Finding the Fourth Proportional to 5,763.13, 7,953.23 and 3,405.27

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Solution

The fourth proportional to 5,763.13, 7,953.23 and 3,405.27 is: 4,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.13 : 7,953.23 = 3,405.27 : x
  2. Step 2: Convert to fraction form
    5,763.13/7,953.23 = 3,405.27/x
  3. Step 3: Cross multiply
    5,763.13x = 7,953.23 × 3,405.27
  4. Step 4: Simplify right side
    5,763.13x = 27,082,858.61
  5. Step 5: Solve for x
    x = 27,082,858.61/5,763.13
  6. Step 6: Final answer
    x = 4,699.33

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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.