Home / 8,120.67-11,206.53-4,535.61

Finding the Fourth Proportional to 8,120.67, 11,206.53 and 4,535.61

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Solution

The fourth proportional to 8,120.67, 11,206.53 and 4,535.61 is: 6,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.67 : 11,206.53 = 4,535.61 : x
  2. Step 2: Convert to fraction form
    8,120.67/11,206.53 = 4,535.61/x
  3. Step 3: Cross multiply
    8,120.67x = 11,206.53 × 4,535.61
  4. Step 4: Simplify right side
    8,120.67x = 50,828,449.53
  5. Step 5: Solve for x
    x = 50,828,449.53/8,120.67
  6. Step 6: Final answer
    x = 6,259.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.