Home / 7,115.58-10,669.05-3,650.94

Finding the Fourth Proportional to 7,115.58, 10,669.05 and 3,650.94

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Solution

The fourth proportional to 7,115.58, 10,669.05 and 3,650.94 is: 5,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.58 : 10,669.05 = 3,650.94 : x
  2. Step 2: Convert to fraction form
    7,115.58/10,669.05 = 3,650.94/x
  3. Step 3: Cross multiply
    7,115.58x = 10,669.05 × 3,650.94
  4. Step 4: Simplify right side
    7,115.58x = 38,952,061.41
  5. Step 5: Solve for x
    x = 38,952,061.41/7,115.58
  6. Step 6: Final answer
    x = 5,474.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.