Home / 8,106.56-12,159.82-6,260.36

Finding the Fourth Proportional to 8,106.56, 12,159.82 and 6,260.36

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Solution

The fourth proportional to 8,106.56, 12,159.82 and 6,260.36 is: 9,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.56 : 12,159.82 = 6,260.36 : x
  2. Step 2: Convert to fraction form
    8,106.56/12,159.82 = 6,260.36/x
  3. Step 3: Cross multiply
    8,106.56x = 12,159.82 × 6,260.36
  4. Step 4: Simplify right side
    8,106.56x = 76,124,850.74
  5. Step 5: Solve for x
    x = 76,124,850.74/8,106.56
  6. Step 6: Final answer
    x = 9,390.52

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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.