Home / 5,440.09-8,160.85-2,666.85

Finding the Fourth Proportional to 5,440.09, 8,160.85 and 2,666.85

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Solution

The fourth proportional to 5,440.09, 8,160.85 and 2,666.85 is: 4,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.09 : 8,160.85 = 2,666.85 : x
  2. Step 2: Convert to fraction form
    5,440.09/8,160.85 = 2,666.85/x
  3. Step 3: Cross multiply
    5,440.09x = 8,160.85 × 2,666.85
  4. Step 4: Simplify right side
    5,440.09x = 21,763,758.51
  5. Step 5: Solve for x
    x = 21,763,758.51/5,440.09
  6. Step 6: Final answer
    x = 4,000.63

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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.