Home / 8,267.59-11,409.31-4,490.78

Finding the Fourth Proportional to 8,267.59, 11,409.31 and 4,490.78

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Solution

The fourth proportional to 8,267.59, 11,409.31 and 4,490.78 is: 6,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.59 : 11,409.31 = 4,490.78 : x
  2. Step 2: Convert to fraction form
    8,267.59/11,409.31 = 4,490.78/x
  3. Step 3: Cross multiply
    8,267.59x = 11,409.31 × 4,490.78
  4. Step 4: Simplify right side
    8,267.59x = 51,236,624.47
  5. Step 5: Solve for x
    x = 51,236,624.47/8,267.59
  6. Step 6: Final answer
    x = 6,197.29

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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.