Home / 8,455.62-12,676.59-3,528.93

Finding the Fourth Proportional to 8,455.62, 12,676.59 and 3,528.93

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Solution

The fourth proportional to 8,455.62, 12,676.59 and 3,528.93 is: 5,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.62 : 12,676.59 = 3,528.93 : x
  2. Step 2: Convert to fraction form
    8,455.62/12,676.59 = 3,528.93/x
  3. Step 3: Cross multiply
    8,455.62x = 12,676.59 × 3,528.93
  4. Step 4: Simplify right side
    8,455.62x = 44,734,798.75
  5. Step 5: Solve for x
    x = 44,734,798.75/8,455.62
  6. Step 6: Final answer
    x = 5,290.54

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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.