Home / 5,110.16-7,048.68-3,249.68

Finding the Fourth Proportional to 5,110.16, 7,048.68 and 3,249.68

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Solution

The fourth proportional to 5,110.16, 7,048.68 and 3,249.68 is: 4,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.16 : 7,048.68 = 3,249.68 : x
  2. Step 2: Convert to fraction form
    5,110.16/7,048.68 = 3,249.68/x
  3. Step 3: Cross multiply
    5,110.16x = 7,048.68 × 3,249.68
  4. Step 4: Simplify right side
    5,110.16x = 22,905,954.42
  5. Step 5: Solve for x
    x = 22,905,954.42/5,110.16
  6. Step 6: Final answer
    x = 4,482.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.