Home / 5,267.90-7,897.62-3,619.56

Finding the Fourth Proportional to 5,267.90, 7,897.62 and 3,619.56

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Solution

The fourth proportional to 5,267.90, 7,897.62 and 3,619.56 is: 5,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.90 : 7,897.62 = 3,619.56 : x
  2. Step 2: Convert to fraction form
    5,267.90/7,897.62 = 3,619.56/x
  3. Step 3: Cross multiply
    5,267.90x = 7,897.62 × 3,619.56
  4. Step 4: Simplify right side
    5,267.90x = 28,585,909.45
  5. Step 5: Solve for x
    x = 28,585,909.45/5,267.90
  6. Step 6: Final answer
    x = 5,426.43

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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.