Home / 5,489.63-8,225.82-4,243.28

Finding the Fourth Proportional to 5,489.63, 8,225.82 and 4,243.28

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Solution

The fourth proportional to 5,489.63, 8,225.82 and 4,243.28 is: 6,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.63 : 8,225.82 = 4,243.28 : x
  2. Step 2: Convert to fraction form
    5,489.63/8,225.82 = 4,243.28/x
  3. Step 3: Cross multiply
    5,489.63x = 8,225.82 × 4,243.28
  4. Step 4: Simplify right side
    5,489.63x = 34,904,426.64
  5. Step 5: Solve for x
    x = 34,904,426.64/5,489.63
  6. Step 6: Final answer
    x = 6,358.24

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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.