Home / 6,609.48-9,121.28-3,777.27

Finding the Fourth Proportional to 6,609.48, 9,121.28 and 3,777.27

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Solution

The fourth proportional to 6,609.48, 9,121.28 and 3,777.27 is: 5,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.48 : 9,121.28 = 3,777.27 : x
  2. Step 2: Convert to fraction form
    6,609.48/9,121.28 = 3,777.27/x
  3. Step 3: Cross multiply
    6,609.48x = 9,121.28 × 3,777.27
  4. Step 4: Simplify right side
    6,609.48x = 34,453,518.42
  5. Step 5: Solve for x
    x = 34,453,518.42/6,609.48
  6. Step 6: Final answer
    x = 5,212.74

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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.