Home / 5,435.62-8,154.80-1,540.06

Finding the Fourth Proportional to 5,435.62, 8,154.80 and 1,540.06

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Solution

The fourth proportional to 5,435.62, 8,154.80 and 1,540.06 is: 2,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.62 : 8,154.80 = 1,540.06 : x
  2. Step 2: Convert to fraction form
    5,435.62/8,154.80 = 1,540.06/x
  3. Step 3: Cross multiply
    5,435.62x = 8,154.80 × 1,540.06
  4. Step 4: Simplify right side
    5,435.62x = 12,558,881.29
  5. Step 5: Solve for x
    x = 12,558,881.29/5,435.62
  6. Step 6: Final answer
    x = 2,310.48

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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.