Home / 5,249.04-7,875.83-2,619.17

Finding the Fourth Proportional to 5,249.04, 7,875.83 and 2,619.17

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Solution

The fourth proportional to 5,249.04, 7,875.83 and 2,619.17 is: 3,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.04 : 7,875.83 = 2,619.17 : x
  2. Step 2: Convert to fraction form
    5,249.04/7,875.83 = 2,619.17/x
  3. Step 3: Cross multiply
    5,249.04x = 7,875.83 × 2,619.17
  4. Step 4: Simplify right side
    5,249.04x = 20,628,137.66
  5. Step 5: Solve for x
    x = 20,628,137.66/5,249.04
  6. Step 6: Final answer
    x = 3,929.89

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1.5x scale

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.