Home / 5,153.83-7,731.34-1,642.60

Finding the Fourth Proportional to 5,153.83, 7,731.34 and 1,642.60

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Solution

The fourth proportional to 5,153.83, 7,731.34 and 1,642.60 is: 2,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.83 : 7,731.34 = 1,642.60 : x
  2. Step 2: Convert to fraction form
    5,153.83/7,731.34 = 1,642.60/x
  3. Step 3: Cross multiply
    5,153.83x = 7,731.34 × 1,642.60
  4. Step 4: Simplify right side
    5,153.83x = 12,699,499.08
  5. Step 5: Solve for x
    x = 12,699,499.08/5,153.83
  6. Step 6: Final answer
    x = 2,464.09

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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.