Home / 4,228.16-6,345.48-3,135.92

Finding the Fourth Proportional to 4,228.16, 6,345.48 and 3,135.92

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Solution

The fourth proportional to 4,228.16, 6,345.48 and 3,135.92 is: 4,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.16 : 6,345.48 = 3,135.92 : x
  2. Step 2: Convert to fraction form
    4,228.16/6,345.48 = 3,135.92/x
  3. Step 3: Cross multiply
    4,228.16x = 6,345.48 × 3,135.92
  4. Step 4: Simplify right side
    4,228.16x = 19,898,917.64
  5. Step 5: Solve for x
    x = 19,898,917.64/4,228.16
  6. Step 6: Final answer
    x = 4,706.28

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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.