Home / 5,623.61-7,761.26-3,265.75

Finding the Fourth Proportional to 5,623.61, 7,761.26 and 3,265.75

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Solution

The fourth proportional to 5,623.61, 7,761.26 and 3,265.75 is: 4,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.61 : 7,761.26 = 3,265.75 : x
  2. Step 2: Convert to fraction form
    5,623.61/7,761.26 = 3,265.75/x
  3. Step 3: Cross multiply
    5,623.61x = 7,761.26 × 3,265.75
  4. Step 4: Simplify right side
    5,623.61x = 25,346,323.61
  5. Step 5: Solve for x
    x = 25,346,323.61/5,623.61
  6. Step 6: Final answer
    x = 4,507.13

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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.