Home / 5,435.33-8,154.62-3,125.21

Finding the Fourth Proportional to 5,435.33, 8,154.62 and 3,125.21

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Solution

The fourth proportional to 5,435.33, 8,154.62 and 3,125.21 is: 4,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.33 : 8,154.62 = 3,125.21 : x
  2. Step 2: Convert to fraction form
    5,435.33/8,154.62 = 3,125.21/x
  3. Step 3: Cross multiply
    5,435.33x = 8,154.62 × 3,125.21
  4. Step 4: Simplify right side
    5,435.33x = 25,484,843.57
  5. Step 5: Solve for x
    x = 25,484,843.57/5,435.33
  6. Step 6: Final answer
    x = 4,688.74

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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.