Home / 5,651.79-8,477.76-2,690.55

Finding the Fourth Proportional to 5,651.79, 8,477.76 and 2,690.55

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Solution

The fourth proportional to 5,651.79, 8,477.76 and 2,690.55 is: 4,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.79 : 8,477.76 = 2,690.55 : x
  2. Step 2: Convert to fraction form
    5,651.79/8,477.76 = 2,690.55/x
  3. Step 3: Cross multiply
    5,651.79x = 8,477.76 × 2,690.55
  4. Step 4: Simplify right side
    5,651.79x = 22,809,837.17
  5. Step 5: Solve for x
    x = 22,809,837.17/5,651.79
  6. Step 6: Final answer
    x = 4,035.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.