Home / 8,455.86-12,675.54-3,526.90

Finding the Fourth Proportional to 8,455.86, 12,675.54 and 3,526.90

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Solution

The fourth proportional to 8,455.86, 12,675.54 and 3,526.90 is: 5,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.86 : 12,675.54 = 3,526.90 : x
  2. Step 2: Convert to fraction form
    8,455.86/12,675.54 = 3,526.90/x
  3. Step 3: Cross multiply
    8,455.86x = 12,675.54 × 3,526.90
  4. Step 4: Simplify right side
    8,455.86x = 44,705,362.03
  5. Step 5: Solve for x
    x = 44,705,362.03/8,455.86
  6. Step 6: Final answer
    x = 5,286.91

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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.