Home / 7,165.60-10,752.50-2,782.49

Finding the Fourth Proportional to 7,165.60, 10,752.50 and 2,782.49

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Solution

The fourth proportional to 7,165.60, 10,752.50 and 2,782.49 is: 4,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.60 : 10,752.50 = 2,782.49 : x
  2. Step 2: Convert to fraction form
    7,165.60/10,752.50 = 2,782.49/x
  3. Step 3: Cross multiply
    7,165.60x = 10,752.50 × 2,782.49
  4. Step 4: Simplify right side
    7,165.60x = 29,918,661.27
  5. Step 5: Solve for x
    x = 29,918,661.27/7,165.60
  6. Step 6: Final answer
    x = 4,175.32

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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.