Home / 7,361.70-10,159.41-4,218.49

Finding the Fourth Proportional to 7,361.70, 10,159.41 and 4,218.49

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Solution

The fourth proportional to 7,361.70, 10,159.41 and 4,218.49 is: 5,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.70 : 10,159.41 = 4,218.49 : x
  2. Step 2: Convert to fraction form
    7,361.70/10,159.41 = 4,218.49/x
  3. Step 3: Cross multiply
    7,361.70x = 10,159.41 × 4,218.49
  4. Step 4: Simplify right side
    7,361.70x = 42,857,398.01
  5. Step 5: Solve for x
    x = 42,857,398.01/7,361.70
  6. Step 6: Final answer
    x = 5,821.67

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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.