Home / 9,352.90-12,907.27-5,161.42

Finding the Fourth Proportional to 9,352.90, 12,907.27 and 5,161.42

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Solution

The fourth proportional to 9,352.90, 12,907.27 and 5,161.42 is: 7,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.90 : 12,907.27 = 5,161.42 : x
  2. Step 2: Convert to fraction form
    9,352.90/12,907.27 = 5,161.42/x
  3. Step 3: Cross multiply
    9,352.90x = 12,907.27 × 5,161.42
  4. Step 4: Simplify right side
    9,352.90x = 66,619,841.52
  5. Step 5: Solve for x
    x = 66,619,841.52/9,352.90
  6. Step 6: Final answer
    x = 7,122.91

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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.