Home / 8,239.14-11,366.36-6,475.86

Finding the Fourth Proportional to 8,239.14, 11,366.36 and 6,475.86

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Solution

The fourth proportional to 8,239.14, 11,366.36 and 6,475.86 is: 8,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.14 : 11,366.36 = 6,475.86 : x
  2. Step 2: Convert to fraction form
    8,239.14/11,366.36 = 6,475.86/x
  3. Step 3: Cross multiply
    8,239.14x = 11,366.36 × 6,475.86
  4. Step 4: Simplify right side
    8,239.14x = 73,606,956.07
  5. Step 5: Solve for x
    x = 73,606,956.07/8,239.14
  6. Step 6: Final answer
    x = 8,933.82

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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.