Home / 9,211.24-12,712.44-5,435.56

Finding the Fourth Proportional to 9,211.24, 12,712.44 and 5,435.56

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Solution

The fourth proportional to 9,211.24, 12,712.44 and 5,435.56 is: 7,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.24 : 12,712.44 = 5,435.56 : x
  2. Step 2: Convert to fraction form
    9,211.24/12,712.44 = 5,435.56/x
  3. Step 3: Cross multiply
    9,211.24x = 12,712.44 × 5,435.56
  4. Step 4: Simplify right side
    9,211.24x = 69,099,230.37
  5. Step 5: Solve for x
    x = 69,099,230.37/9,211.24
  6. Step 6: Final answer
    x = 7,501.62

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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.