Home / 5,159.04-7,123.80-4,161.12

Finding the Fourth Proportional to 5,159.04, 7,123.80 and 4,161.12

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Solution

The fourth proportional to 5,159.04, 7,123.80 and 4,161.12 is: 5,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.04 : 7,123.80 = 4,161.12 : x
  2. Step 2: Convert to fraction form
    5,159.04/7,123.80 = 4,161.12/x
  3. Step 3: Cross multiply
    5,159.04x = 7,123.80 × 4,161.12
  4. Step 4: Simplify right side
    5,159.04x = 29,642,986.66
  5. Step 5: Solve for x
    x = 29,642,986.66/5,159.04
  6. Step 6: Final answer
    x = 5,745.83

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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.