Home / 5,615.37-7,749.56-3,226.08

Finding the Fourth Proportional to 5,615.37, 7,749.56 and 3,226.08

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Solution

The fourth proportional to 5,615.37, 7,749.56 and 3,226.08 is: 4,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.37 : 7,749.56 = 3,226.08 : x
  2. Step 2: Convert to fraction form
    5,615.37/7,749.56 = 3,226.08/x
  3. Step 3: Cross multiply
    5,615.37x = 7,749.56 × 3,226.08
  4. Step 4: Simplify right side
    5,615.37x = 25,000,737.65
  5. Step 5: Solve for x
    x = 25,000,737.65/5,615.37
  6. Step 6: Final answer
    x = 4,452.20

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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.