Home / 5,167.23-7,128.48-3,442.99

Finding the Fourth Proportional to 5,167.23, 7,128.48 and 3,442.99

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Solution

The fourth proportional to 5,167.23, 7,128.48 and 3,442.99 is: 4,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.23 : 7,128.48 = 3,442.99 : x
  2. Step 2: Convert to fraction form
    5,167.23/7,128.48 = 3,442.99/x
  3. Step 3: Cross multiply
    5,167.23x = 7,128.48 × 3,442.99
  4. Step 4: Simplify right side
    5,167.23x = 24,543,268.14
  5. Step 5: Solve for x
    x = 24,543,268.14/5,167.23
  6. Step 6: Final answer
    x = 4,749.79

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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.