Home / 7,777.16-11,663.35-2,229.02

Finding the Fourth Proportional to 7,777.16, 11,663.35 and 2,229.02

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Solution

The fourth proportional to 7,777.16, 11,663.35 and 2,229.02 is: 3,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.16 : 11,663.35 = 2,229.02 : x
  2. Step 2: Convert to fraction form
    7,777.16/11,663.35 = 2,229.02/x
  3. Step 3: Cross multiply
    7,777.16x = 11,663.35 × 2,229.02
  4. Step 4: Simplify right side
    7,777.16x = 25,997,770.96
  5. Step 5: Solve for x
    x = 25,997,770.96/7,777.16
  6. Step 6: Final answer
    x = 3,342.84

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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.