Home / 4,455.19-6,142.66-3,657.61

Finding the Fourth Proportional to 4,455.19, 6,142.66 and 3,657.61

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Solution

The fourth proportional to 4,455.19, 6,142.66 and 3,657.61 is: 5,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.19 : 6,142.66 = 3,657.61 : x
  2. Step 2: Convert to fraction form
    4,455.19/6,142.66 = 3,657.61/x
  3. Step 3: Cross multiply
    4,455.19x = 6,142.66 × 3,657.61
  4. Step 4: Simplify right side
    4,455.19x = 22,467,454.64
  5. Step 5: Solve for x
    x = 22,467,454.64/4,455.19
  6. Step 6: Final answer
    x = 5,042.98

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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.