Home / 9,108.37-12,568.66-6,719.65

Finding the Fourth Proportional to 9,108.37, 12,568.66 and 6,719.65

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Solution

The fourth proportional to 9,108.37, 12,568.66 and 6,719.65 is: 9,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.37 : 12,568.66 = 6,719.65 : x
  2. Step 2: Convert to fraction form
    9,108.37/12,568.66 = 6,719.65/x
  3. Step 3: Cross multiply
    9,108.37x = 12,568.66 × 6,719.65
  4. Step 4: Simplify right side
    9,108.37x = 84,456,996.17
  5. Step 5: Solve for x
    x = 84,456,996.17/9,108.37
  6. Step 6: Final answer
    x = 9,272.46

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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.