Home / 7,012.44-9,677.37-4,028.85

Finding the Fourth Proportional to 7,012.44, 9,677.37 and 4,028.85

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Solution

The fourth proportional to 7,012.44, 9,677.37 and 4,028.85 is: 5,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.44 : 9,677.37 = 4,028.85 : x
  2. Step 2: Convert to fraction form
    7,012.44/9,677.37 = 4,028.85/x
  3. Step 3: Cross multiply
    7,012.44x = 9,677.37 × 4,028.85
  4. Step 4: Simplify right side
    7,012.44x = 38,988,672.12
  5. Step 5: Solve for x
    x = 38,988,672.12/7,012.44
  6. Step 6: Final answer
    x = 5,559.93

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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.