Home / 5,440.29-8,153.55-2,666.31

Finding the Fourth Proportional to 5,440.29, 8,153.55 and 2,666.31

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Solution

The fourth proportional to 5,440.29, 8,153.55 and 2,666.31 is: 3,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.29 : 8,153.55 = 2,666.31 : x
  2. Step 2: Convert to fraction form
    5,440.29/8,153.55 = 2,666.31/x
  3. Step 3: Cross multiply
    5,440.29x = 8,153.55 × 2,666.31
  4. Step 4: Simplify right side
    5,440.29x = 21,739,891.90
  5. Step 5: Solve for x
    x = 21,739,891.90/5,440.29
  6. Step 6: Final answer
    x = 3,996.09

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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.