Home / 7,435.91-11,155.28-2,505.65

Finding the Fourth Proportional to 7,435.91, 11,155.28 and 2,505.65

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Solution

The fourth proportional to 7,435.91, 11,155.28 and 2,505.65 is: 3,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.91 : 11,155.28 = 2,505.65 : x
  2. Step 2: Convert to fraction form
    7,435.91/11,155.28 = 2,505.65/x
  3. Step 3: Cross multiply
    7,435.91x = 11,155.28 × 2,505.65
  4. Step 4: Simplify right side
    7,435.91x = 27,951,159.03
  5. Step 5: Solve for x
    x = 27,951,159.03/7,435.91
  6. Step 6: Final answer
    x = 3,758.95

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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.