Home / 7,249.04-10,875.20-3,917.22

Finding the Fourth Proportional to 7,249.04, 10,875.20 and 3,917.22

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Solution

The fourth proportional to 7,249.04, 10,875.20 and 3,917.22 is: 5,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.04 : 10,875.20 = 3,917.22 : x
  2. Step 2: Convert to fraction form
    7,249.04/10,875.20 = 3,917.22/x
  3. Step 3: Cross multiply
    7,249.04x = 10,875.20 × 3,917.22
  4. Step 4: Simplify right side
    7,249.04x = 42,600,550.94
  5. Step 5: Solve for x
    x = 42,600,550.94/7,249.04
  6. Step 6: Final answer
    x = 5,876.72

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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.