Home / 8,161.13-11,262.40-4,435.13

Finding the Fourth Proportional to 8,161.13, 11,262.40 and 4,435.13

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Solution

The fourth proportional to 8,161.13, 11,262.40 and 4,435.13 is: 6,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.13 : 11,262.40 = 4,435.13 : x
  2. Step 2: Convert to fraction form
    8,161.13/11,262.40 = 4,435.13/x
  3. Step 3: Cross multiply
    8,161.13x = 11,262.40 × 4,435.13
  4. Step 4: Simplify right side
    8,161.13x = 49,950,140.71
  5. Step 5: Solve for x
    x = 49,950,140.71/8,161.13
  6. Step 6: Final answer
    x = 6,120.50

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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.