Home / 5,442.56-8,162.64-2,666.48

Finding the Fourth Proportional to 5,442.56, 8,162.64 and 2,666.48

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Solution

The fourth proportional to 5,442.56, 8,162.64 and 2,666.48 is: 3,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.56 : 8,162.64 = 2,666.48 : x
  2. Step 2: Convert to fraction form
    5,442.56/8,162.64 = 2,666.48/x
  3. Step 3: Cross multiply
    5,442.56x = 8,162.64 × 2,666.48
  4. Step 4: Simplify right side
    5,442.56x = 21,765,516.31
  5. Step 5: Solve for x
    x = 21,765,516.31/5,442.56
  6. Step 6: Final answer
    x = 3,999.13

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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.