Home / 5,739.62-7,911.69-3,749.18

Finding the Fourth Proportional to 5,739.62, 7,911.69 and 3,749.18

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Solution

The fourth proportional to 5,739.62, 7,911.69 and 3,749.18 is: 5,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.62 : 7,911.69 = 3,749.18 : x
  2. Step 2: Convert to fraction form
    5,739.62/7,911.69 = 3,749.18/x
  3. Step 3: Cross multiply
    5,739.62x = 7,911.69 × 3,749.18
  4. Step 4: Simplify right side
    5,739.62x = 29,662,349.91
  5. Step 5: Solve for x
    x = 29,662,349.91/5,739.62
  6. Step 6: Final answer
    x = 5,168.00

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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.