Home / 7,435.92-11,155.32-2,822.16

Finding the Fourth Proportional to 7,435.92, 11,155.32 and 2,822.16

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Solution

The fourth proportional to 7,435.92, 11,155.32 and 2,822.16 is: 4,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.92 : 11,155.32 = 2,822.16 : x
  2. Step 2: Convert to fraction form
    7,435.92/11,155.32 = 2,822.16/x
  3. Step 3: Cross multiply
    7,435.92x = 11,155.32 × 2,822.16
  4. Step 4: Simplify right side
    7,435.92x = 31,482,097.89
  5. Step 5: Solve for x
    x = 31,482,097.89/7,435.92
  6. Step 6: Final answer
    x = 4,233.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.