Home / 6,117.12-9,177.06-2,221.56

Finding the Fourth Proportional to 6,117.12, 9,177.06 and 2,221.56

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Solution

The fourth proportional to 6,117.12, 9,177.06 and 2,221.56 is: 3,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.12 : 9,177.06 = 2,221.56 : x
  2. Step 2: Convert to fraction form
    6,117.12/9,177.06 = 2,221.56/x
  3. Step 3: Cross multiply
    6,117.12x = 9,177.06 × 2,221.56
  4. Step 4: Simplify right side
    6,117.12x = 20,387,389.41
  5. Step 5: Solve for x
    x = 20,387,389.41/6,117.12
  6. Step 6: Final answer
    x = 3,332.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.