Home / 5,249.48-7,875.32-1,739.28

Finding the Fourth Proportional to 5,249.48, 7,875.32 and 1,739.28

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Solution

The fourth proportional to 5,249.48, 7,875.32 and 1,739.28 is: 2,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.48 : 7,875.32 = 1,739.28 : x
  2. Step 2: Convert to fraction form
    5,249.48/7,875.32 = 1,739.28/x
  3. Step 3: Cross multiply
    5,249.48x = 7,875.32 × 1,739.28
  4. Step 4: Simplify right side
    5,249.48x = 13,697,410.61
  5. Step 5: Solve for x
    x = 13,697,410.61/5,249.48
  6. Step 6: Final answer
    x = 2,609.29

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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.