Home / 8,182.26-11,291.12-4,645

Finding the Fourth Proportional to 8,182.26, 11,291.12 and 4,645

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Solution

The fourth proportional to 8,182.26, 11,291.12 and 4,645 is: 6,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.26 : 11,291.12 = 4,645 : x
  2. Step 2: Convert to fraction form
    8,182.26/11,291.12 = 4,645/x
  3. Step 3: Cross multiply
    8,182.26x = 11,291.12 × 4,645
  4. Step 4: Simplify right side
    8,182.26x = 52,447,252.40
  5. Step 5: Solve for x
    x = 52,447,252.40/8,182.26
  6. Step 6: Final answer
    x = 6,409.87

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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.