Home / 7,777.08-11,658.03-3,335.88

Finding the Fourth Proportional to 7,777.08, 11,658.03 and 3,335.88

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Solution

The fourth proportional to 7,777.08, 11,658.03 and 3,335.88 is: 5,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.08 : 11,658.03 = 3,335.88 : x
  2. Step 2: Convert to fraction form
    7,777.08/11,658.03 = 3,335.88/x
  3. Step 3: Cross multiply
    7,777.08x = 11,658.03 × 3,335.88
  4. Step 4: Simplify right side
    7,777.08x = 38,889,789.12
  5. Step 5: Solve for x
    x = 38,889,789.12/7,777.08
  6. Step 6: Final answer
    x = 5,000.56

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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.