Home / 5,625.79-7,763.25-3,388.39

Finding the Fourth Proportional to 5,625.79, 7,763.25 and 3,388.39

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Solution

The fourth proportional to 5,625.79, 7,763.25 and 3,388.39 is: 4,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.79 : 7,763.25 = 3,388.39 : x
  2. Step 2: Convert to fraction form
    5,625.79/7,763.25 = 3,388.39/x
  3. Step 3: Cross multiply
    5,625.79x = 7,763.25 × 3,388.39
  4. Step 4: Simplify right side
    5,625.79x = 26,304,918.67
  5. Step 5: Solve for x
    x = 26,304,918.67/5,625.79
  6. Step 6: Final answer
    x = 4,675.77

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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.