Home / 8,455.80-11,673.66-6,330.56

Finding the Fourth Proportional to 8,455.80, 11,673.66 and 6,330.56

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Solution

The fourth proportional to 8,455.80, 11,673.66 and 6,330.56 is: 8,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.80 : 11,673.66 = 6,330.56 : x
  2. Step 2: Convert to fraction form
    8,455.80/11,673.66 = 6,330.56/x
  3. Step 3: Cross multiply
    8,455.80x = 11,673.66 × 6,330.56
  4. Step 4: Simplify right side
    8,455.80x = 73,900,805.05
  5. Step 5: Solve for x
    x = 73,900,805.05/8,455.80
  6. Step 6: Final answer
    x = 8,739.66

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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.