Home / 5,739.20-7,918.87-3,752.67

Finding the Fourth Proportional to 5,739.20, 7,918.87 and 3,752.67

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Solution

The fourth proportional to 5,739.20, 7,918.87 and 3,752.67 is: 5,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.20 : 7,918.87 = 3,752.67 : x
  2. Step 2: Convert to fraction form
    5,739.20/7,918.87 = 3,752.67/x
  3. Step 3: Cross multiply
    5,739.20x = 7,918.87 × 3,752.67
  4. Step 4: Simplify right side
    5,739.20x = 29,716,905.88
  5. Step 5: Solve for x
    x = 29,716,905.88/5,739.20
  6. Step 6: Final answer
    x = 5,177.88

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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.