Home / 5,539.05-7,643.70-3,300.89

Finding the Fourth Proportional to 5,539.05, 7,643.70 and 3,300.89

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Solution

The fourth proportional to 5,539.05, 7,643.70 and 3,300.89 is: 4,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.05 : 7,643.70 = 3,300.89 : x
  2. Step 2: Convert to fraction form
    5,539.05/7,643.70 = 3,300.89/x
  3. Step 3: Cross multiply
    5,539.05x = 7,643.70 × 3,300.89
  4. Step 4: Simplify right side
    5,539.05x = 25,230,974.67
  5. Step 5: Solve for x
    x = 25,230,974.67/5,539.05
  6. Step 6: Final answer
    x = 4,555.11

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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.