Home / 5,352.26-7,386.90-3,115.37

Finding the Fourth Proportional to 5,352.26, 7,386.90 and 3,115.37

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Solution

The fourth proportional to 5,352.26, 7,386.90 and 3,115.37 is: 4,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.26 : 7,386.90 = 3,115.37 : x
  2. Step 2: Convert to fraction form
    5,352.26/7,386.90 = 3,115.37/x
  3. Step 3: Cross multiply
    5,352.26x = 7,386.90 × 3,115.37
  4. Step 4: Simplify right side
    5,352.26x = 23,012,933.44
  5. Step 5: Solve for x
    x = 23,012,933.44/5,352.26
  6. Step 6: Final answer
    x = 4,299.66

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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.