Home / 7,539.68-10,401.92-5,554.98

Finding the Fourth Proportional to 7,539.68, 10,401.92 and 5,554.98

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Solution

The fourth proportional to 7,539.68, 10,401.92 and 5,554.98 is: 7,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.68 : 10,401.92 = 5,554.98 : x
  2. Step 2: Convert to fraction form
    7,539.68/10,401.92 = 5,554.98/x
  3. Step 3: Cross multiply
    7,539.68x = 10,401.92 × 5,554.98
  4. Step 4: Simplify right side
    7,539.68x = 57,782,450.62
  5. Step 5: Solve for x
    x = 57,782,450.62/7,539.68
  6. Step 6: Final answer
    x = 7,663.78

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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.