Home / 7,361.88-10,159.40-4,218.27

Finding the Fourth Proportional to 7,361.88, 10,159.40 and 4,218.27

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Solution

The fourth proportional to 7,361.88, 10,159.40 and 4,218.27 is: 5,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.88 : 10,159.40 = 4,218.27 : x
  2. Step 2: Convert to fraction form
    7,361.88/10,159.40 = 4,218.27/x
  3. Step 3: Cross multiply
    7,361.88x = 10,159.40 × 4,218.27
  4. Step 4: Simplify right side
    7,361.88x = 42,855,092.24
  5. Step 5: Solve for x
    x = 42,855,092.24/7,361.88
  6. Step 6: Final answer
    x = 5,821.22

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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.