Home / 8,134.28-11,222.26-4,777.20

Finding the Fourth Proportional to 8,134.28, 11,222.26 and 4,777.20

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Solution

The fourth proportional to 8,134.28, 11,222.26 and 4,777.20 is: 6,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.28 : 11,222.26 = 4,777.20 : x
  2. Step 2: Convert to fraction form
    8,134.28/11,222.26 = 4,777.20/x
  3. Step 3: Cross multiply
    8,134.28x = 11,222.26 × 4,777.20
  4. Step 4: Simplify right side
    8,134.28x = 53,610,980.47
  5. Step 5: Solve for x
    x = 53,610,980.47/8,134.28
  6. Step 6: Final answer
    x = 6,590.75

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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.