Home / 6,228.43-8,590.96-3,989.32

Finding the Fourth Proportional to 6,228.43, 8,590.96 and 3,989.32

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Solution

The fourth proportional to 6,228.43, 8,590.96 and 3,989.32 is: 5,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.43 : 8,590.96 = 3,989.32 : x
  2. Step 2: Convert to fraction form
    6,228.43/8,590.96 = 3,989.32/x
  3. Step 3: Cross multiply
    6,228.43x = 8,590.96 × 3,989.32
  4. Step 4: Simplify right side
    6,228.43x = 34,272,072.06
  5. Step 5: Solve for x
    x = 34,272,072.06/6,228.43
  6. Step 6: Final answer
    x = 5,502.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.