Home / 8,176.55-11,282.11-4,820.40

Finding the Fourth Proportional to 8,176.55, 11,282.11 and 4,820.40

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Solution

The fourth proportional to 8,176.55, 11,282.11 and 4,820.40 is: 6,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.55 : 11,282.11 = 4,820.40 : x
  2. Step 2: Convert to fraction form
    8,176.55/11,282.11 = 4,820.40/x
  3. Step 3: Cross multiply
    8,176.55x = 11,282.11 × 4,820.40
  4. Step 4: Simplify right side
    8,176.55x = 54,384,270.99
  5. Step 5: Solve for x
    x = 54,384,270.99/8,176.55
  6. Step 6: Final answer
    x = 6,651.25

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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.