Home / 5,349.80-8,018.48-2,228.06

Finding the Fourth Proportional to 5,349.80, 8,018.48 and 2,228.06

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Solution

The fourth proportional to 5,349.80, 8,018.48 and 2,228.06 is: 3,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.80 : 8,018.48 = 2,228.06 : x
  2. Step 2: Convert to fraction form
    5,349.80/8,018.48 = 2,228.06/x
  3. Step 3: Cross multiply
    5,349.80x = 8,018.48 × 2,228.06
  4. Step 4: Simplify right side
    5,349.80x = 17,865,654.55
  5. Step 5: Solve for x
    x = 17,865,654.55/5,349.80
  6. Step 6: Final answer
    x = 3,339.50

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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.