Home / 9,267.42-12,788.81-5,179.26

Finding the Fourth Proportional to 9,267.42, 12,788.81 and 5,179.26

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Solution

The fourth proportional to 9,267.42, 12,788.81 and 5,179.26 is: 7,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.42 : 12,788.81 = 5,179.26 : x
  2. Step 2: Convert to fraction form
    9,267.42/12,788.81 = 5,179.26/x
  3. Step 3: Cross multiply
    9,267.42x = 12,788.81 × 5,179.26
  4. Step 4: Simplify right side
    9,267.42x = 66,236,572.08
  5. Step 5: Solve for x
    x = 66,236,572.08/9,267.42
  6. Step 6: Final answer
    x = 7,147.25

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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.