Home / 9,218.36-12,722.25-5,442.77

Finding the Fourth Proportional to 9,218.36, 12,722.25 and 5,442.77

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Solution

The fourth proportional to 9,218.36, 12,722.25 and 5,442.77 is: 7,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.36 : 12,722.25 = 5,442.77 : x
  2. Step 2: Convert to fraction form
    9,218.36/12,722.25 = 5,442.77/x
  3. Step 3: Cross multiply
    9,218.36x = 12,722.25 × 5,442.77
  4. Step 4: Simplify right side
    9,218.36x = 69,244,217.02
  5. Step 5: Solve for x
    x = 69,244,217.02/9,218.36
  6. Step 6: Final answer
    x = 7,511.56

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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.