Home / 5,132.61-7,699.46-1,622.75

Finding the Fourth Proportional to 5,132.61, 7,699.46 and 1,622.75

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Solution

The fourth proportional to 5,132.61, 7,699.46 and 1,622.75 is: 2,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.61 : 7,699.46 = 1,622.75 : x
  2. Step 2: Convert to fraction form
    5,132.61/7,699.46 = 1,622.75/x
  3. Step 3: Cross multiply
    5,132.61x = 7,699.46 × 1,622.75
  4. Step 4: Simplify right side
    5,132.61x = 12,494,252.10
  5. Step 5: Solve for x
    x = 12,494,252.10/5,132.61
  6. Step 6: Final answer
    x = 2,434.29

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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.